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 5975-01-354-3073
NSN 2925-00-320-5607
NSN 5925-00-833-8291
NSN 5920-00-131-6679
NSN 5925-01-370-4417
NSN 5996-01-606-7850
NSN 7035-00-252-7467
NSN 6135-00-461-3590
NSN 5990-01-291-7723
NSN 6150-00-308-2686
NSN 5855-00-014-5008
NSN 6105-01-517-9596