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 5945-01-361-9775
NSN 6645-01-516-7046
NSN 5965-01-614-5978
NSN 6645-01-600-5653
NSN 5999-01-260-4540
NSN 5950-00-548-8001
NSN 5935-01-185-5689
NSN 5975-01-442-2222
NSN 5895-00-081-9835
NSN 5910-01-189-7276
NSN 6110-01-390-0461
NSN 4140-01-451-0155