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: Copper washers including spring washers not threaded
NSN 6130-00-291-4877
NSN 5920-01-359-1197
NSN 6320-01-607-1491
NSN 6130-01-449-0782
NSN 5950-01-446-9817
NSN 5998-01-452-7830
NSN 6220-00-981-3057
NSN 6240-01-386-1354
NSN 6685-00-113-1888
NSN 6145-01-144-9024
NSN 6220-01-634-0660
NSN 5985-01-174-8941