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 6110-01-102-8431
NSN 6110-00-351-8996
NSN 5945-01-557-2558
NSN 5985-01-557-1395
NSN 6220-01-211-8419
NSN 5910-00-279-1981
NSN 6220-00-379-4044
NSN 5950-01-064-8638
NSN 5998-01-083-7841
NSN 6320-01-600-5808
NSN 6645-01-557-8134
NSN 5920-01-073-3334