16-421-4 Flat Washer
5310-00-539-5311
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Official Item Classification
- Name
- Flat Washer
- Part Number
- 16-421-4
- (NSN) National Stock Number
- 5310-00-539-5311
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 13393
- (FIIG) Federal Item Identification Guide
- A022B0
- Date
- 09/25/1974 (52 years ago)
0.265 inches nominal hole diameter, round peripheral shape style, rectangular cross-sectional shape style, round center hole shape style, 0.064 inches nominal thickness
Specs & Compatibility
rectangular
0.265 inches nominal
round
round
0.064 inches nominal
0.500 inches nominal
copper alloy overall
silver overall
Regulatory Compliance
Item contains silver.
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.
0013393