National Item Identification Number
01-418-8631
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)
57729
AZTEC MFG INC
20520 E WALNUT DR N
696
WALNUT
CA
91789
909-598-2843
58475
L-3 COMMUNICATIONS WESTWOOD
CORPORATION
12402 E 60TH ST
TULSA
OK
74146
918-250-4496
Reference Numbers (Part Numbers)
N087543S
103-06-024
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 304 OVERALL
ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
0.4