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 5945-01-200-1589
NSN 5999-01-377-3618
NSN 5910-01-361-7584
NSN 5935-00-288-5973
NSN 5895-00-186-8572
NSN 5990-01-576-4383
NSN 5945-00-915-4308
NSN 6220-00-545-6395
NSN 4140-00-185-9694
NSN 6320-01-352-5653
NSN 6685-01-502-7648
NSN 6645-00-276-7544