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 5895-00-719-4977
NSN 5998-01-148-2334
NSN 7035-01-102-5811
NSN 6620-01-463-1373
NSN 4140-00-412-2408
NSN 5965-01-576-6975
NSN 7035-00-941-4949
NSN 6145-00-775-0786
NSN 6150-01-008-5336
NSN 6130-01-472-2483
NSN 5996-01-038-2247
NSN 5925-00-275-0380