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 6320-01-453-5152
NSN 6320-00-483-0451
NSN 5930-01-050-9346
NSN 5835-01-528-7454
NSN 2925-01-633-4048
NSN 5935-01-412-0467
NSN 5920-01-542-5306
NSN 5945-01-076-4801
NSN 5910-00-861-1748
NSN 5965-01-489-5508
NSN 6105-01-374-0557
NSN 5965-01-010-1258