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 4140-01-477-5050
NSN 6220-00-257-5183
NSN 5930-01-287-9406
NSN 6610-00-557-5896
NSN 6130-00-835-5912
NSN 6150-01-550-6342
NSN 5915-01-429-8981
NSN 6685-00-198-9506
NSN 5920-01-112-6110
NSN 6105-00-900-4143
NSN 5855-01-486-9924
NSN 6150-01-512-1352