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 5920-01-146-2112
NSN 4140-00-876-9285
NSN 6150-00-353-5983
NSN 6220-01-106-2761
NSN 5960-01-467-7516
NSN 6220-00-707-5044
NSN 6320-01-141-3791
NSN 5990-01-134-2859
NSN 6110-01-167-8906
NSN 6320-01-527-0211
NSN 6650-00-560-2411
NSN 5895-01-012-2202