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 5935-01-259-2013
NSN 5945-01-612-1804
NSN 7035-01-088-3023
NSN 6650-01-306-8352
NSN 6650-01-321-2905
NSN 5985-00-302-9394
NSN 7035-01-633-9537
NSN 6645-01-053-3185
NSN 5945-01-535-7037
NSN 5855-01-325-9507
NSN 5835-01-580-0446
NSN 7035-00-679-9027