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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 6110-01-573-7375
NSN 6320-00-588-2401
NSN 6135-00-203-9645
NSN 5975-01-437-9566
NSN 6105-01-479-5494
NSN 5945-00-017-2645
NSN 6220-00-099-9192
NSN 6645-00-376-4829
NSN 6645-01-349-1631
NSN 5905-01-156-4969
NSN 5950-01-126-5950
NSN 6105-01-547-3506