5310-00-737-5259
Flat Washer
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Official Item Classification
- Name
- Flat Washer
- (NSN) National Stock Number
- 5310-00-737-5259
- (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)
round center hole shape style, rectangular cross-sectional shape style, round peripheral shape style, 0.225 inches minimum and 0.245 inches maximum thickness, 1.266 inches minimum and 1.296 inches maximum hole diameter
Specs & Compatibility
rectangular
1.266 inches minimum and 1.296 inches maximum
round
round
0.225 inches minimum and 0.245 inches maximum
2.235 inches minimum and 2.265 inches maximum
63.0 microinches bottom
63.0 microinches top
steel comp 1015 or steel comp 1025 or steel overall
sae assn std 1st material response and sae assn std 2nd material response and qq-s-698 fed spec 3rd material response overall
zinc overall
qq-z-325,type 2,class 1 fed spec 1st treatment response and qq-z-325,type 2,class 2 fed spec 2nd treatment response and qq-z-325,type 2,class 3 fed spec 3rd 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