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 6685-01-593-8803
NSN 5990-01-314-8591
NSN 5950-00-193-9924
NSN 5835-01-566-5462
NSN 6130-01-249-2359
NSN 5990-00-656-5798
NSN 5835-01-398-3859
NSN 6620-01-096-3723
NSN 5999-00-166-5983
NSN 5996-00-500-7328
NSN 5990-01-493-4039
NSN 6135-01-026-9960