Item must comply with requirements of defense supply center philadelphia production standard no. Po0015nrp
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 6150-01-327-6291
NSN 6135-01-375-6724
NSN 6610-00-921-1066
NSN 6130-01-490-7110
NSN 5925-01-301-6698
NSN 2925-01-389-1683
NSN 5985-01-122-5381
NSN 5990-00-513-5328
NSN 6610-01-524-0636
NSN 5835-01-116-2369
NSN 6645-01-314-6716
NSN 5999-00-678-7715