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 5855-01-089-2248
NSN 6650-01-138-1712
NSN 5915-01-467-1630
NSN 5895-01-047-0939
NSN 6620-01-658-2480
NSN 6145-01-141-7250
NSN 6220-00-719-7714
NSN 5920-01-454-5147
NSN 5925-01-346-6175
NSN 7035-01-461-9766
NSN 5950-01-386-9591
NSN 6650-01-125-4989