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 5915-01-469-2136
NSN 6610-01-406-4985
NSN 6645-01-437-5290
NSN 6130-01-068-6921
NSN 6650-00-684-3060
NSN 6650-00-101-0559
NSN 5905-01-267-6593
NSN 6130-01-139-3701
NSN 2925-01-292-9248
NSN 4140-01-108-0161
NSN 6685-01-061-2270
NSN 5905-01-400-3589