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 5945-01-467-9886
NSN 6685-01-100-1672
NSN 5835-01-227-2318
NSN 5905-01-034-3415
NSN 6650-01-431-8933
NSN 6320-01-435-5991
NSN 5935-01-383-9643
NSN 5985-00-725-0250
NSN 6240-01-085-7216
NSN 2925-00-433-5429
NSN 5945-01-450-2134
NSN 5985-01-617-9050