National Item Identification Number
01-126-1102
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
Commercial and Government Entity Code (Supplier Data)
81346
AMERICAN SOC FOR TSTG & MTLS
DBA ASTM INTERNATIONAL
100 BARR HARBOR DR
WEST CONSHOHOCKEN
PA
19428
610-832-9500
34623
NSN (National Stock Number) 5310-01-126-1102, 5310011261102 NIIN (National Identification Number) 01-126-1102, 011261102
Part Numbers (Reference Numbers)
FF-W-92B
M/362-20017
Required Categories
MATERIAL
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAM
Required Description
STEEL COMP 1040 AND
STEEL COMP 1050 OVERALL
PHOSPHATE OVERALL
0.812 INCHES MI