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 5920-01-192-5166
NSN 6130-00-453-9204
NSN 5945-01-192-5792
NSN 6220-01-587-4797
NSN 5990-01-172-4553
NSN 6145-01-153-7197
NSN 5998-00-440-0311
NSN 5905-00-243-5924
NSN 6135-00-932-3136
NSN 6610-01-480-9311
NSN 5935-01-114-9904
NSN 5915-01-623-2493