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 5999-01-227-2107
NSN 6150-01-561-5787
NSN 5985-01-562-3294
NSN 6145-01-225-3929
NSN 6110-00-403-6071
NSN 5999-00-928-5658
NSN 5925-00-081-9135
NSN 5965-00-849-1313
NSN 6650-00-760-1385
NSN 5895-01-120-4011
NSN 6145-00-775-0786
NSN 6610-00-100-1195