20500-51 Lock Washer
5310-00-209-0842
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Official Item Classification
- Name
- Lock Washer
- Part Number
- 20500-51
- (NSN) National Stock Number
- 5310-00-209-0842
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 14218
- (FIIG) Federal Item Identification Guide
- A022B0
- Date
- 01/01/1963 (63 years ago)
0.115 inches nominal hole diameter, 0.031 inches nominal material thickness, copper alloy overall material, cadmium overall surface treatment, 0.240 inches nominal outside diameter
Specs & Compatibility
0.115 inches nominal
0.240 inches nominal
0.031 inches nominal
copper alloy overall
cadmium overall
split helical-right hand
Replacement For
| Part Number | Description | |
|---|---|---|
| 5310-00-221-3071 | No Name Available | 05/06/1967 |
| 5310-00-737-6409 | No Name Available | 03/01/1983 |
| 5310-00-737-6533 | No Name Available | 01/01/1963 |
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0014218