National Item Identification Number
01-157-5668
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)
14561
MAGNATROL VALVE CORP
CLARK-COOPER DIV
855 INDUSTRIAL HWY UNIT 4
CINNAMINSON
NJ
08077
856-829-4580
Reference Numbers (Part Numbers)
2640-069-4-2L1
845-1889818 ASSY F, PIECE 4
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
THE MANUFACTURERS DATA
MANUFACT
Required Description
COPPER ALLOY 482 OVERALL
QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
80
