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 6620-01-481-1358
NSN 5945-01-209-0990
NSN 6645-00-869-0850
NSN 2925-00-328-2018
NSN 5905-00-150-1312
NSN 2925-01-043-9786
NSN 5835-01-332-2867
NSN 7035-01-544-6671
NSN 6110-01-024-9428
NSN 5960-01-399-2583
NSN 5996-00-447-1810
NSN 6105-01-352-5674