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 6320-00-371-8335
NSN 6145-00-625-0714
NSN 5910-01-441-2669
NSN 5950-01-353-8607
NSN 2925-01-580-1527
NSN 5910-01-227-1939
NSN 5895-01-522-0503
NSN 6220-01-250-2376
NSN 5835-00-180-7555
NSN 5990-00-518-0684
NSN 2925-01-327-3069
NSN 5905-00-075-4671