National Item Identification Number
01-160-5728
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)
52788
GENERAL MOTORS CORP
SAGINAW DIV
3900 HOLLAND RD
SAGINAW
MI
48605
810-606-2000
7X677
NSN (National Stock Number) 5310-01-160-5728, 5310011605728 NIIN (National Identification Number) 01-160-5728, 011605728
Part Numbers (Reference Numbers)
7817454
7817454
7817454
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 1008 OR
STEEL COMP 1009 OR
STEEL COMP 1010 OVERALL
SAE ASSN STD AL