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Datasheet. B18.21.1 1/4 IN. specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.252in. and 0.260in. ⁓17/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.487in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.062in.
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
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1060 or steel comp 1065
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
sae assn std all material responses
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
split HELICAL-Right hand
Answers.
Split helical-right hand
Steel comp 1060 or steel comp 1065
0.062 inches minimum
0.487 inches maximum
0.252 inches minimum and 0.260 inches maximum
Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel
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 5310-00-515-9962 WASHER,LOCK
split helical-right hand 0.062" material thickness 0.487" outside diameter 0.252" hole diameter
- NIIN
- 005159962
- NIIN Date
- 01/01/63
- Schedule B
- 7318210000
- Name Code
- 14218
- FIIG
- A022B0
- QUP
- Historical Price
- $11.30 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. | ASME-B18.21.1 | Cage 05047 |
| 2. | 772-116 | Cage 90031 |
| 3. | FF-W-84 | Cage 81348 |
| 4. | FF-W-84 CLAST2 | Cage 80244 |
| 5. | B18.21.1 | Cage 80204 |
| 6. | FFW84CLASSASTYLE21-4INWASHERL0CK | Cage 81348 |
Major End Users Countries and entities
- - Federal Aviation Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - General Services Administration
- - General Services Administration
- - Department of The Army
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
- - Defense Logistics Agency
- - U.s. Coast Guard
- - General Services Administration
- - Brazil
- - Spain
- - Republic of Korea
- - Philippines
- - Portugal
- - Greece
- - Turkey
Availability for B18.21.1 1/4 IN. 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 1/4 IN. / 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
