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 5835-01-412-0344
NSN 5835-01-344-2857
NSN 6320-00-228-5678
NSN 2925-01-559-5733
NSN 2925-01-151-6969
NSN 5915-00-170-6775
NSN 2925-00-333-4702
NSN 5999-00-931-9504
NSN 5965-01-286-6548
NSN 7035-01-455-0445
NSN 5920-01-516-8888
NSN 6130-01-325-8556