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 6620-01-413-9243
NSN 5920-00-644-0379
NSN 7035-00-631-3782
NSN 5950-01-155-5674
NSN 5935-01-202-3851
NSN 6110-00-021-0925
NSN 5925-01-504-7731
NSN 5999-01-154-4283
NSN 5930-00-021-3874
NSN 5985-00-816-8486
NSN 5895-00-170-4568
NSN 5985-01-146-9284