Part must conform to mil-std-413
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6650-00-299-9681
NSN 6150-00-350-8613
NSN 5999-01-598-2290
NSN 4140-01-173-3960
NSN 6610-01-564-7464
NSN 5999-00-117-3587
NSN 6650-01-391-4461
NSN 5985-01-514-0741
NSN 5895-01-289-8563
NSN 5910-01-658-6256
NSN 5895-01-194-1872
NSN 5985-00-725-1554