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 5999-01-357-7707
NSN 6620-01-540-5712
NSN 5910-00-269-4755
NSN 4140-00-703-3207
NSN 5915-01-252-0024
NSN 5925-01-613-5869
NSN 6130-01-118-8245
NSN 5965-01-434-4095
NSN 5895-00-952-3032
NSN 4140-00-120-1203
NSN 5985-00-767-6315
NSN 5895-00-200-2329