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 5895-00-901-2186
NSN 5990-00-285-1948
NSN 5855-01-505-0061
NSN 5915-00-368-4564
NSN 5996-01-362-7068
NSN 5925-01-240-3009
NSN 6130-01-491-0044
NSN 6145-01-650-1423
NSN 5905-01-514-7467
NSN 6220-01-448-5438
NSN 5950-00-355-1624
NSN 5996-01-510-1164