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 6135-00-715-4001
NSN 5895-01-161-0763
NSN 5975-01-157-1444
NSN 6320-01-054-3046
NSN 5925-01-602-8557
NSN 5998-01-616-9861
NSN 5975-01-576-8519
NSN 6130-00-303-3985
NSN 6650-01-018-7371
NSN 6110-00-886-6519
NSN 5835-01-133-6485
NSN 5990-00-543-2755