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 5975-01-147-4781
NSN 6620-01-457-9476
NSN 5998-00-070-5795
NSN 6320-00-459-8973
NSN 5990-01-540-1619
NSN 6650-00-307-3437
NSN 4140-01-146-3291
NSN 5990-01-532-6113
NSN 6105-01-019-3931
NSN 6150-01-238-6995
NSN 5905-01-166-0962
NSN 6150-01-497-5508