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 5855-01-418-2962
NSN 5835-01-515-6537
NSN 5925-01-445-6112
NSN 7035-00-286-6221
NSN 6220-01-399-8586
NSN 6105-01-515-1231
NSN 5998-01-487-2394
NSN 5910-00-912-5730
NSN 6150-01-116-6236
NSN 5945-00-244-5835
NSN 5990-00-901-1358
NSN 6645-00-353-6659