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 5999-01-192-5292
NSN 6620-00-825-2227
NSN 6135-01-645-4653
NSN 5999-01-649-4760
NSN 6620-01-364-2103
NSN 6685-01-458-3106
NSN 6650-01-349-3503
NSN 6685-01-468-5471
NSN 6150-01-388-4095
NSN 5990-01-127-1108
NSN 6610-00-587-3260
NSN 7035-00-205-8739