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: Copper washers including spring washers not threaded
NSN 2925-00-347-7893
NSN 6145-01-423-4734
NSN 6320-01-564-0893
NSN 5905-01-026-0781
NSN 5950-01-382-8209
NSN 6620-00-082-1525
NSN 5950-01-178-0902
NSN 6645-00-233-4286
NSN 5835-00-339-3020
NSN 6150-01-061-0270
NSN 6620-01-112-6440
NSN 6320-00-681-1324