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.
Dept. of the Army 
Dept. of the Air Force 
Dept. of the Navy 
Greece 
Turkey Classification: Made-up articles of textile material, nesoi
NSN 6145-01-591-2491
NSN 5895-01-444-4641
NSN 6145-01-633-9345
NSN 6240-01-558-9727
NSN 6150-01-577-0265
NSN 6105-00-399-4581
NSN 5985-00-235-2048
NSN 5930-00-023-7500
NSN 5999-00-394-1221
NSN 5920-01-641-2084
NSN 4140-00-983-8048
NSN 7035-01-547-7415