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 6240-01-191-5643
NSN 6105-01-653-2867
NSN 6145-01-146-4106
NSN 6105-00-618-4401
NSN 5945-01-509-8387
NSN 4140-01-018-2038
NSN 6145-00-799-1125
NSN 6645-00-864-6794
NSN 5855-01-389-8884
NSN 5895-00-508-7838
NSN 2925-00-225-5386
NSN 6650-01-025-7425