Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.
Quality Commitment
Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- Customer service objectives
- Every product 100% inspected
Datasheet. B18.21.1 specification
Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.377in. and 0.385in. ⁓25/64"
Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.680in.
Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.094in. and 0.104in.
Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
38.0 rockwell c and 46.0 rockwell c
Material
The chemical compound or mechanical mixture properties of which the item is fabricated.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm A576 assn std all material responses
Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
split HELICAL-Right hand
Answers.
What is the style?
Split helical-right hand
What material is the lock washer made of ?
Steel
What is the thickness?
0.094 inches minimum and 0.104 inches maximum
What is the outside diameter?
0.680 inches maximum
What is the inside hole diameter?
0.377 inches minimum and 0.385 inches maximum
How is this classified for shipping?
Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel
What's the federal classification of B18.21.1?
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-00-261-7340 WASHER,LOCK
split helical-right hand 0.094" material thickness 0.680" outside diameter 0.377" hole diameter
- NIIN
- 002617340
- NIIN Date
- 01/01/61
- Schedule B
- 7318210000
- Name Code
- 14218
- FIIG
- A022B0
- QUP
- Historical Price
- $12.90 HD
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 120382 | Cage 80195 |
| 2. | 103321 | Cage 7X677 |
| 3. | 40S33 | Cage 7X677 |
| 4. | 202983 | Cage 1DF03 |
| 5. | X529 | Cage 1DF03 |
| 6. | 0904206-0 | Cage 6N299 |
| 7. | A2303-12-51PC6 | Cage 81996 |
| 8. | 103321 | Cage 1ML14 |
| 9. | 019-00001-7 | Cage 59556 |
| 10. | 202983 | Cage 01276 |
| 11. | 9284 | Cage 1XBP3 |
| 12. | 9284 | Cage 57526 |
| 13. | XB-T-61 | Cage 74410 |
| 14. | 23265 | Cage 02978 |
| 15. | 901008 | Cage 06848 |
| 16. | 130MBC1 | Cage 05415 |
| 17. | 1103995 | Cage 06350 |
| 18. | 103321 | Cage 12204 |
| 19. | 103221 | Cage 18876 |
| 20. | 103321 | Cage 18876 |
| 21. | S604 | Cage 15434 |
| 22. | 11591P11 | Cage 27618 |
| 23. | X529 | Cage 37159 |
| 24. | L38 | Cage 33313 |
| 25. | 7435-60D | Cage 52793 |
| 26. | 7435-89C | Cage 52793 |
| 27. | C2917 | Cage 53591 |
| 28. | 21052 | Cage 64104 |
| 29. | X529 | Cage 62508 |
| 30. | X529 | Cage 70350 |
| 31. | 103321 | Cage 72582 |
| 32. | L38 | Cage 72540 |
| 33. | 1042S616R | Cage 80063 |
| 34. | MC3686-37 | Cage 79500 |
| 35. | P941 | Cage 80212 |
| 36. | L38 | Cage 80328 |
| 37. | H22-56-52 | Cage 81361 |
| 38. | 11FM1A3-8 | Cage 82796 |
| 39. | 1W | Cage 95019 |
| 40. | 111615 | Cage F0134 |
| 41. | 25704-281200-14-0 | Cage D1839 |
| 42. | 5554659 | Cage 34623 |
| 43. | WA16 | Cage 78500 |
| 44. | 04.03 OPTION BP6042 REFERENCE 18 | Cage K4843 |
| 45. | 04.03 OPTION BP6042/18 | Cage K4843 |
| 46. | 0904206 | Cage 6N299 |
| 47. | 904206 | Cage 6N299 |
| 48. | A300474 | Cage 77873 |
| 49. | A30047400-4 | Cage 77873 |
| 50. | FF-W-84 CLAST2 | Cage 80244 |
| 51. | FF-W-84 | Cage 81348 |
| 52. | 103321 | Cage 24617 |
| 53. | X7-10 | Cage 15586 |
| 54. | X3-600 | Cage 73460 |
| 55. | T61 | Cage 74410 |
| 56. | WA16 | Cage 3D6E9 |
| 57. | 103321 | Cage 73342 |
| 58. | S604 | Cage K4843 |
| 59. | B111615 | Cage F0134 |
| 60. | 25704-281200-14-0 | Cage D2692 |
| 61. | 23265 | Cage R1120 |
| 62. | 54X553 | Cage 24446 |
| 63. | 1103995 | Cage 22888 |
| 64. | P941 | Cage 22888 |
| 65. | M468 | Cage 79807 |
| 66. | PC103321 | Cage C7432 |
| 67. | 40S33 | Cage 56442 |
| 68. | BB8809 | Cage 56442 |
| 69. | 103321 | Cage 28265 |
| 70. | 904206 | Cage 92392 |
| 71. | 0904206 | Cage 92392 |
| 72. | 0904206-0 | Cage 92392 |
| 73. | 805058 | Cage 02280 |
| 74. | MS35338-8 | Cage 96906 |
| 75. | 34807S | Cage 23040 |
| 76. | 9284 | Cage 53239 |
| 77. | 202983 | Cage 79470 |
| 78. | 103321 | Cage F0742 |
| 79. | MS35338-8 | Cage D5589 |
| 80. | WA16C | Cage 78500 |
| 81. | 901008 | Cage 55284 |
| 82. | 805058 | Cage 49185 |
| 83. | 5310-010-3321 | Cage SCY13 |
| 84. | 5310002617340 | Cage SCY13 |
| 85. | MS35338-8 | Cage D9893 |
| 86. | 40S33 | Cage 24617 |
| 87. | Q1920 | Cage 31007 |
| 88. | 103321 | Cage 56442 |
| 89. | 2AG419 | Cage 75Q65 |
| 90. | 130MBC1 | Cage 556A6 |
| 91. | S604 | Cage A9271 |
| 92. | 2AG419 | Cage 45152 |
| 93. | 10395041 | Cage A486G |
Major End Users Countries and entities
- - Department of The Army
- - Bureau of The Mint
- - Bonneville Power Administration
- - Government Printing office
- - Bureau of Engraving And Printing
- - General Services Administration
- - Tennessee Valley Authority
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
- - U.s. Coast Guard
- - General Services Administration
- - Austria
- - Finland
- - Lithuania
- - Poland
- - Brazil
- - Spain
- - Singapore
- - Kuwait
- - Morocco
- - Malaysia
- - Thailand
- - Australia
- - Belgium
- - Canada
- - New Zealand
- - France
- - Germany
- - Republic of Korea
- - United Kingdom
- - Philippines
- - Netherlands
- - Portugal
- - Italy
- - Norway
- - Greece
- - Turkey
- - Nato Maintenance And Supply Agency
Major End Items End use applications
- - Inertial measuring
- - Installation kit,en
- - Generator set,diesel engine
- - Tractor,wheeled,industrial
- - Housing,flywheel
- - Engine and containe
- - Truck,dump
- - Axle assembly,automotive,driving
- - Inertial measuremen
- - Engine,diesel
- - Engine,diesel
- - Truck,fire fighting
- - Fuel servicing unit,aircraft,trailer mounted
- - Reeling machine,cable,motor driven
- - Truck,tank
- - Truck,fire fighting
- - Truck tractor
- - Truck tractor
- - Truck,fire fighting
- - Truck tractor
- - Power takeoff,transmission
- - Truck,fire fighting
- - Truck tractor
- - Truck tractor
- - Truck tractor
- - Truck tractor
- - Truck,fire fighting
- - Truck,fire fighting
- - Truck,fire fighting
- - Truck tractor
- - Generator,engine accessory
- - Truck tractor
- - Truck,fire fighting
- - Truck tractor
- - Pump assembly
- - Engine,diesel
- - Engine,diesel
- - Truck,tank
- - Truck tractor
- - Engine,diesel
- - Engine,diesel
- - Engine,diesel
- - Truck tractor
- - Engine,diesel
- - Engine,diesel
- - Truck tractor
- - Truck tractor
- - Engine,diesel
- - Cover assembly,engi
- - Engine,diesel
- - Engine,diesel
- - Engine,diesel
- - Generator set,diesel engine,trailer mounted
- - Engine,diesel
- - Cover
- - Truck tractor
- - Test bench assembly
- - Engine,diesel
- - Engine,diesel
- - Test set,flight control system
- - Engine,diesel
- - Engine,diesel
- - Flange,exhaust pipe
- - Engine,diesel
- - Engine,diesel
- - Truck,fire fighting
- - Truck,utility
- - Receiver-transmitter,radio
- - Tractor,full tracked,armored dozer-scraper combination
- - Truck,utility
- - Truck,utility
- - Tractor,full tracked,armored dozer-scraper combination
- - Receiver-transmitter,radio
- - Tractor,full tracked,armored dozer-scraper combination
- - Generator set,diesel engine
- - Cylinder head,diesel engine
- - Engine,diesel
- - Truck,fire fighting
- - Carrier,ammunition,tracked
- - Truck,utility
- - Carrier,ammunition,tracked
- - Truck,utility
- - Heater,duct type,portable
- - Pumping assembly,flammable liquid,bulk transfer
- - Transfer transmission assembly
- - Transmission and co
- - Compressor unit,reciprocating
- - Carrier,ammunition,tracked
- - Parts kit,engine poppet valve
- - Carrier,ammunition,tracked
- - Crushing and screening plant
- - Pump unit,reciprocating
- - Truck tractor
- - Truck,fire fighting
- - Transmission,hydraulic
- - Truck,utility
- - Truck,utility
- - Truck,ambulance
- - Truck,utility
- - Compressor unit,rotary
- - Recovery vehicle,full tracked
- - Pump,cooling system,engine
- - Truck,aircraft cargo loading-unloading
- - Engine,diesel
- - Truck,ambulance
- - Transmission,hydraulic
- - Generator set,diesel engine
- - Truck,fire fighting
- - Generator set,diesel engine
- - Compressor unit,reciprocating
- - Pump,cylinder assem
- - Loader,scoop type
- - Truck,utility
- - Impeller,fan,axial
- - Water outlet,engine
- - Compressor unit,reciprocating
- - Distributor,liquid bituminous material,tankless type
- - Truck,utility
- - Compressor unit,rotary
- - Truck,lift,fork
- - Distributor,liquid bituminous material,tankless type
- - Conveyor,belt
- - Truck,lift,fork
- - Conveyor,belt
- - Truck,utility
- - Generator set,diesel engine
- - Truck,lift,fork
- - Shaft,shouldered
- - Heater,bitumen
- - Truck,utility
- - Truck,lift,fork
- - Truck,lift,fork
- - Heater,bitumen
- - Truck,utility
- - Truck,utility
- - Heater,bitumen
- - Crane,truck mounted
- - Truck,utility
- - Combat engineer vehicle,full tracked
- - Truck,utility
- - Truck,utility
- - Truck,utility
- - Crane truck,warehouse
- - Truck,ambulance
- - Distributor,bituminous material,tank type
- - Truck,lift,fork
- - Distributor,bituminous material,tank type
- - Truck,lift,fork
- - Distributor,bituminous material,tank type
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Tractor,wheeled,warehouse
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Tractor,wheeled,warehouse
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Pump unit,centrifugal
- - Crane,truck mounted
- - Crane,truck mounted
- - Pump unit,centrifugal
- - Tractor,wheeled,warehouse
- - Crane,truck mounted
- - Truck,ambulance
- - Crane,truck mounted
- - Crane,truck mounted
- - Crane,truck mounted
- - Crane,truck mounted
- - Crane,truck mounted
- - Loader,scoop type
- - Truck,lift,fork
- - Crane,truck mounted
- - Roller,motorized
- - Mixer,concrete,trailer mounted
- - Crane,truck mounted
- - Truck,ambulance
- - Truck,ambulance
- - Crane,truck mounted
- - Crane,truck mounted
- - Mixer,concrete,trailer mounted
- - Truck,utility
- - Mixer,concrete,trailer mounted
- - Crane,truck mounted
- - Roller,motorized
- - Roller,motorized
- - Mixer,concrete,trailer mounted
- - Mixer,concrete,trailer mounted
- - Truck,ambulance
- - Roller,motorized
- - Truck,utility
- - Roller,motorized
- - Roller,motorized
- - Crane,truck mounted
- - Roller,motorized
- - Roller,motorized
- - Carrier,ammunition,tracked
- - Roller,motorized
- - Distributor,bituminous material,tank type
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Roller,motorized
- - Truck,lift,fork
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Truck,utility
- - Roller,motorized
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Carrier,ammunition,tracked
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Engine,diesel
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Tractor,wheeled,aircraft towing
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Truck,utility
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Truck,utility
- - Cylinder sleeve and piston assembly
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Rubber sheet,solid
- - Crane-shovel,truck mounted
- - Engine,diesel
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Crane-shovel,truck mounted
- - Truck,utility
- - Plastic strip
- - Filter element,fluid
- - Crane-shovel,truck mounted
- - Camshaft,engine
- - Governor,diesel engine
- - Truck,dump
- - Truck,fire fighting
- - Filter element,fluid
- - Truck,utility
Availability for B18.21.1 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 50.0
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 194160 WASHER OR GASKETS, IRON OR STEEL,
- UFC (universal freight code)
- 55210
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
B18.21.1 / Washer,lockWhat is the formal definition of this item?
A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces
