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 6620-00-792-9952
NSN 2925-00-756-8510
NSN 6110-01-184-3658
NSN 6150-01-244-3885
NSN 6135-00-271-0407
NSN 5950-00-131-1104
NSN 5910-01-580-0857
NSN 5835-01-214-0522
NSN 5999-01-331-1704
NSN 5965-01-065-5544
NSN 5999-00-360-3160
NSN 5895-01-355-8584