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 6130-01-181-8221
NSN 6220-01-517-9338
NSN 5990-00-552-9365
NSN 5855-01-147-4785
NSN 6320-01-393-7022
NSN 5999-01-267-8357
NSN 6145-01-523-4580
NSN 5945-00-040-7386
NSN 6650-01-381-2972
NSN 4140-01-568-7240
NSN 6610-01-067-4359
NSN 6650-01-433-3520