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 5920-00-168-9138
NSN 6130-01-100-3026
NSN 5920-01-519-8835
NSN 5950-00-506-1531
NSN 5910-01-601-3860
NSN 5855-00-933-9978
NSN 6145-00-500-0867
NSN 6220-01-237-2488
NSN 6650-01-095-8024
NSN 5835-01-632-6627
NSN 5950-01-319-6638
NSN 6130-01-359-2701