National Item Identification Number
01-508-8988
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)
52315
L-3 COMMUNICATIOS KLEIN ASSOCIATES
INC.
11 KLEIN DR
SALEM
NH
03079
603-893-6131
D9182
39428
Reference Numbers (Part Numbers)
12500802
90295A140
90295A140
Required Categories
MATERIAL
COLOR
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER
Required Description
PLASTIC NYLON OVERALL
WHITE OVERALL
0.252 INCHES NOMINAL
1 ROUND
0.472 INCHE