National Item Identification Number
00-262-2957
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
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)
63477
63477
82646
ALLIED PRODUCTS CORP
LOADCRAFT DIV
NONE
431
BRADY
TX
76825
915-597-2911
63477
Reference Numbers (Part Numbers)
FC5916
FC5916A
5283967
65X944
91A2188
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
HOLE
Required Description
STEEL OVERALL
CADMIUM OVERALL
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RES