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 7035-00-897-7567
NSN 5975-01-350-4067
NSN 5835-01-442-6482
NSN 5925-01-290-4808
NSN 6130-01-470-3537
NSN 6105-01-588-1260
NSN 5910-01-535-7126
NSN 5905-01-445-7729
NSN 5905-01-514-0287
NSN 5920-01-108-8256
NSN 6650-01-027-3632
NSN 5895-01-252-7682