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 5895-01-503-0661
NSN 5935-00-913-4893
NSN 5965-01-252-7870
NSN 5925-01-019-5138
NSN 6130-00-289-7050
NSN 5920-01-354-1598
NSN 6685-01-280-3703
NSN 6130-01-421-2705
NSN 2925-01-532-0781
NSN 6105-00-008-6140
NSN 5999-01-273-0151
NSN 6685-01-202-1981