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 6135-01-122-4448
NSN 6320-00-681-1324
NSN 5925-00-646-3137
NSN 5920-01-157-0539
NSN 5965-01-204-8505
NSN 5960-00-052-0081
NSN 6240-01-540-2749
NSN 6150-01-314-5241
NSN 6150-01-297-5110
NSN 6240-00-010-7334
NSN 6150-01-215-3656
NSN 6685-00-925-7491