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 5996-01-287-8311
NSN 6610-01-109-1522
NSN 6620-01-083-4672
NSN 5999-01-485-7990
NSN 6240-00-883-8484
NSN 2925-01-053-0886
NSN 6610-01-406-4985
NSN 5950-01-231-8166
NSN 6645-01-469-0192
NSN 5915-01-010-1562
NSN 6110-01-160-9444
NSN 5965-01-209-2838