The item is a flight safety critical aircraft part (fscap).
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: Washers other than lock washers, iron or steel
NSN 5945-00-964-6354
NSN 5835-01-412-0344
NSN 5975-00-189-0857
NSN 6650-01-461-6286
NSN 6650-01-457-0980
NSN 5960-00-928-2534
NSN 5915-01-258-2165
NSN 6650-01-390-6989
NSN 6145-01-261-1940
NSN 6620-01-506-9144
NSN 7035-01-322-8180
NSN 6135-01-588-4160