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 6610-01-207-0045
NSN 5915-01-446-5028
NSN 2925-01-299-6967
NSN 4140-00-848-3218
NSN 6135-00-816-9052
NSN 6105-00-614-8003
NSN 7035-01-416-5910
NSN 5965-01-229-8721
NSN 6130-01-280-9923
NSN 5975-00-388-9589
NSN 6110-00-399-1413
NSN 5965-00-912-9318