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 5935-00-394-9903
NSN 5960-01-505-2426
NSN 6130-01-278-3325
NSN 6220-01-384-3879
NSN 6610-01-166-3125
NSN 5925-01-058-4664
NSN 4140-01-225-0041
NSN 5950-00-943-3905
NSN 5998-00-190-6717
NSN 5920-01-206-3977
NSN 6110-00-190-7523
NSN 5965-01-103-0398