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: Washers other than lock washers, iron or steel
NSN 5945-00-419-4931
NSN 6240-00-212-4305
NSN 7035-01-648-3535
NSN 6150-01-258-7079
NSN 6610-01-434-4958
NSN 5920-01-487-8597
NSN 4140-01-245-8866
NSN 5985-01-120-1303
NSN 6220-01-264-0405
NSN 6105-01-008-9223
NSN 5920-00-241-3838
NSN 5998-01-249-2913