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 5930-00-106-4126
NSN 6650-01-512-1930
NSN 5950-01-506-2221
NSN 5990-01-361-1620
NSN 6150-00-081-2063
NSN 5990-00-707-0731
NSN 6620-01-587-1088
NSN 5965-00-247-4886
NSN 5965-00-568-5802
NSN 5895-01-502-1488
NSN 5999-01-467-1751
NSN 6150-00-683-5349