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 5975-01-451-4799
NSN 4140-01-381-3221
NSN 6130-01-372-1213
NSN 5975-00-404-0027
NSN 5930-01-062-0870
NSN 5990-01-055-4012
NSN 5930-00-067-6183
NSN 5935-01-004-9330
NSN 5895-01-352-5695
NSN 5835-01-242-9806
NSN 5975-00-974-6704
NSN 6645-00-062-7606