991 4111 Flat Washer
5310-01-159-6590
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Official Item Classification
- Name
- Flat Washer
- Part Number
- 991 4111
- (NSN) National Stock Number
- 5310-01-159-6590
- (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
- 08/11/1983 (43 years ago)
10.5 millimeters nominal hole diameter, round peripheral shape style, round center hole shape style, 2.0 millimeters nominal thickness, rectangular cross-sectional shape style
Specs & Compatibility
rectangular
10.5 millimeters nominal
round
round
2.0 millimeters nominal
22.0 millimeters nominal
hemtt family (heavy expanded mobility tactical trucks); 2320-01-097-0260 hiab crane (hemtt); 2320-01-442-1940,truck,cbt,(command bridge transporter)
113783 pounds per square inch
225.0 brinell standard minimum and 300.0 brinell standard maximum
quenched and tempered
steel overall
8.8,fscm 21969 mfr ref single material response overall
zinc overall
Regulatory Compliance
Item does not contain precious metal.
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