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 7035-00-782-7046
NSN 6620-00-606-0446
NSN 5990-00-885-4020
NSN 6320-01-600-5808
NSN 6105-01-658-9743
NSN 5960-01-522-0391
NSN 6620-01-292-5072
NSN 5990-01-244-9998
NSN 5998-01-477-4913
NSN 6685-01-268-2294
NSN 5905-01-401-5325
NSN 5935-01-284-5663