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 6105-01-633-3485
NSN 5945-01-227-6922
NSN 2925-01-347-4208
NSN 6645-01-122-9430
NSN 5998-00-896-2980
NSN 6320-00-593-0379
NSN 6320-00-593-0379
NSN 6320-01-103-6218
NSN 5996-00-954-7166
NSN 6610-01-065-6057
NSN 5835-01-576-9013
NSN 5930-00-899-9154