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 5895-00-988-3472
NSN 5930-01-522-7195
NSN 5998-01-377-9495
NSN 5950-00-528-9293
NSN 5998-01-024-9741
NSN 5910-00-524-6717
NSN 5975-01-468-0032
NSN 4140-00-058-9839
NSN 6645-01-074-8024
NSN 6650-01-568-0299
NSN 6320-01-415-0953
NSN 6240-01-461-8193