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.
NSN 4140-01-357-0538
NSN 5996-01-055-6847
NSN 5935-01-149-7383
NSN 5835-01-381-9565
NSN 5990-01-526-9941
NSN 5985-01-601-6392
NSN 6130-01-510-2934
NSN 5965-00-521-0511
NSN 6240-01-064-2980
NSN 5895-01-255-7518
NSN 6685-00-116-8073
NSN 4140-01-544-6306