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 5855-01-344-8688
NSN 2925-01-426-3410
NSN 6220-01-194-2963
NSN 5990-01-064-6080
NSN 5910-01-164-8210
NSN 2925-00-159-0337
NSN 6685-00-029-8943
NSN 6150-01-100-4337
NSN 5910-01-124-9223
NSN 5905-00-990-8806
NSN 5895-01-087-9493
NSN 5965-01-441-8826