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 5930-01-564-9954
NSN 6685-01-027-7061
NSN 6145-01-172-1000
NSN 5895-00-464-2304
NSN 5910-01-272-3546
NSN 6105-00-134-0827
NSN 5935-01-529-3020
NSN 5935-01-140-3110
NSN 5975-01-391-5981
NSN 5998-00-918-9073
NSN 2925-01-549-6360
NSN 5910-01-604-9544