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 5930-00-997-0503
NSN 5985-01-549-8143
NSN 5999-01-501-5783
NSN 5945-00-824-5849
NSN 5990-00-665-4105
NSN 6620-00-983-4171
NSN 5925-01-215-1386
NSN 5945-01-310-5371
NSN 5996-00-100-4932
NSN 5905-01-025-4785
NSN 6610-01-487-8879
NSN 6150-01-131-2875