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Datasheet. B18.21.1 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.513in. and 0.530in. ⁓17/32"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.880in. and 0.985in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.037in. and 0.045in.
The national stock number or the identification information of the end equipment for which the item is a part.
4940-01-424-1023; electronic shop, transportable
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel and copper alloy
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
phosphate
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
flat external teeth
Answers.
Flat external teeth
Nickel and copper alloy
0.037 inches minimum and 0.045 inches maximum
0.880 inches minimum and 0.985 inches maximum
0.513 inches minimum and 0.530 inches maximum
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 5310-01-467-6042 WASHER,LOCK
Used on 4940-01-424-1023;electronic shop,transportable. flat external teeth phosphate surface treated 0.037" material thickness 0.880" outside diameter 0.513" hole diameter
- NIIN
- 014676042
- NIIN Date
- 09/07/99
- Schedule B
- Name Code
- 14218
- FIIG
- A022B0
- QUP
- Historical Price
- $0.15 EA
- 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. | 502595-5 | Cage 09004 |
| 2. | 502595-5 | Cage 5M579 |
Major End Users Countries and entities
- - Department of The Army
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
