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 5895-01-398-2289
NSN 6220-01-255-7901
NSN 5990-01-455-8035
NSN 5920-01-619-1987
NSN 5835-01-623-3328
NSN 5915-00-929-0847
NSN 5895-01-488-9778
NSN 7035-01-283-2536
NSN 5925-01-307-5497
NSN 2925-00-295-8109
NSN 6220-01-158-5956
NSN 5965-01-249-6349