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 5905-01-163-9938
NSN 5960-01-593-4760
NSN 5965-01-295-9842
NSN 4140-01-035-5530
NSN 6645-00-269-2764
NSN 2925-01-251-9529
NSN 7035-00-421-8710
NSN 5905-00-871-0139
NSN 5935-01-421-3876
NSN 5855-01-529-8717
NSN 6150-01-193-4180
NSN 6610-00-073-6828