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 6145-00-215-4994
NSN 6220-00-998-6142
NSN 6130-01-033-8533
NSN 6620-01-543-5491
NSN 5910-01-397-7657
NSN 6610-01-394-4944
NSN 5945-01-161-8171
NSN 6150-01-355-7393
NSN 5920-01-364-1866
NSN 5950-00-490-4554
NSN 6620-00-312-2036
NSN 5930-00-179-7012