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 6610-00-226-4710
NSN 6610-01-371-3006
NSN 6150-00-804-1069
NSN 5920-01-325-5680
NSN 7035-01-658-1623
NSN 5990-00-698-3963
NSN 5925-00-591-2792
NSN 5915-01-010-1562
NSN 5910-01-378-7026
NSN 5945-00-029-9130
NSN 6240-00-214-9073
NSN 6130-01-055-5272