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.
Classification: Copper washers including spring washers not threaded
NSN 6620-01-304-2913
NSN 5945-00-269-3052
NSN 2925-00-149-0760
NSN 5996-01-019-5794
NSN 7035-00-782-7046
NSN 6320-00-790-4844
NSN 6610-01-261-6102
NSN 6110-01-573-0931
NSN 5960-00-702-5301
NSN 5985-01-094-5865
NSN 5895-01-593-3244
NSN 6645-00-363-9775