National Item Identification Number
00-469-3864
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)
79500
79500
79500
79500
79500
79500
79500
79500
79500
79500
79500
Reference Numbers (Part Numbers)
11H407PC1
11H407PC3
1111406
18F963PC2
21J307PC6
27J684PC7
29J723PC6
39J53
Required Categories
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE SHAPE STYLE
Required Description
0.745 INCHES MINIMUM AND
0.755 INCHES MAXIMUM
1 ROUND
1.093 INCHES MINIMUM AN