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 4140-00-279-3148
NSN 6645-01-459-7788
NSN 6240-01-307-0269
NSN 6240-01-573-6388
NSN 5835-00-351-9459
NSN 5975-01-124-5555
NSN 2925-01-385-6661
NSN 6110-01-068-3982
NSN 5920-00-285-2245
NSN 5985-00-580-4760
NSN 5985-01-461-2199
NSN 5915-01-501-2590