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 5990-01-493-4039
NSN 6685-01-542-8207
NSN 5999-01-316-7414
NSN 5996-01-633-7979
NSN 5905-00-141-0760
NSN 5835-01-185-1102
NSN 5905-00-155-4767
NSN 6110-01-654-3526
NSN 6105-01-375-1519
NSN 5895-00-188-8156
NSN 5985-01-379-6142
NSN 6685-01-554-6150