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 6645-01-459-7788
NSN 5950-01-381-9153
NSN 5996-01-248-5753
NSN 5950-01-371-3069
NSN 5960-00-102-8128
NSN 5920-01-224-6530
NSN 5895-00-772-9386
NSN 5835-00-233-6327
NSN 6150-00-812-1965
NSN 5945-01-600-1404
NSN 6105-01-385-9769
NSN 5999-01-058-5683