National Item Identification Number
00-269-5901
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)
73460
EATON CORP
TRANSMISSION DIV
13100 E MICHIGAN AVE
GALESBURG
MI
49053
269-342-3000
89346
NAVISTAR INTL CORP
TRUCK BR
6125 URBANA RD
600
SPRINGFIELD
OH
45501
630-753-5000
Reference Numbers (Part Numbers)
4590
4590
53603H
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 1020 OVERALL
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
1.751 IN