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 6110-01-386-9457
NSN 5965-01-005-0341
NSN 5985-00-471-2718
NSN 5996-01-364-7934
NSN 5965-01-545-2922
NSN 5920-00-223-5194
NSN 5935-00-739-0322
NSN 5910-01-622-4883
NSN 6645-01-462-2101
NSN 5935-01-417-3161
NSN 5998-00-562-2474
NSN 5985-01-388-3200