5310-00-656-0054
Flat Washer
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Official Item Classification
- Name
- Flat Washer
- (NSN) National Stock Number
- 5310-00-656-0054
- (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
- 01/01/1963 (63 years ago)
0.050 inches minimum and 0.080 inches maximum thickness, 0.427 inches minimum and 0.447 inches maximum hole diameter, round peripheral shape style, round center hole shape style, rectangular cross-sectional shape style
Specs & Compatibility
rectangular
0.427 inches minimum and 0.447 inches maximum
round
round
0.050 inches minimum and 0.080 inches maximum
0.865 inches minimum and 0.885 inches maximum
steel overall
qq-s-698 fed spec single material response or qq-s-700 fed spec single material response overall
zinc overall
qq-z-325,ty 2,cl 3 fed spec single treatment response overall
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.
0013393