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 5960-00-960-6805
NSN 5930-01-561-0312
NSN 6145-00-078-9917
NSN 6105-00-041-3736
NSN 6130-00-312-2261
NSN 5920-01-301-7144
NSN 5999-00-918-4046
NSN 6135-01-421-1052
NSN 5950-01-112-6183
NSN 6610-01-102-2256
NSN 6240-01-563-5904
NSN 6220-01-321-8488