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 5895-00-798-5798
NSN 5910-01-356-4115
NSN 5905-00-276-8597
NSN 7035-00-541-8516
NSN 6620-01-488-6772
NSN 6650-01-328-8363
NSN 5935-01-633-6794
NSN 6685-01-485-1316
NSN 5910-01-364-1947
NSN 5999-01-434-2157
NSN 2925-01-306-4228
NSN 6610-00-253-3549