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 5945-01-445-0956
NSN 6610-01-333-9543
NSN 6220-01-141-7709
NSN 5985-01-250-8931
NSN 6685-00-925-2287
NSN 5835-00-953-0962
NSN 6105-01-438-9750
NSN 6150-00-897-4318
NSN 6610-01-240-2338
NSN 7035-01-352-6235
NSN 5996-01-113-6362
NSN 5965-00-735-9315