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 6150-01-026-4018
NSN 5998-00-449-6331
NSN 5895-01-493-3459
NSN 5895-01-227-3696
NSN 5996-01-123-9038
NSN 5999-01-316-5256
NSN 6135-01-532-7951
NSN 6105-01-652-2299
NSN 5990-01-395-4194
NSN 5925-00-485-2851
NSN 6105-00-071-8174
NSN 6105-01-416-4796