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 5985-01-085-7318
NSN 5895-01-093-5355
NSN 6620-01-595-1060
NSN 6610-01-486-4522
NSN 5950-00-265-7214
NSN 5950-01-210-5768
NSN 6320-01-512-2031
NSN 6610-01-416-8384
NSN 6150-00-232-6568
NSN 6320-01-356-5601
NSN 6610-01-385-1771
NSN 6145-00-803-9900