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 5935-01-095-7954
NSN 6610-01-185-5832
NSN 6620-00-210-8406
NSN 5905-00-162-9974
NSN 6110-00-167-7522
NSN 7035-00-349-8571
NSN 5920-01-183-3125
NSN 5925-00-205-2767
NSN 5998-01-592-2282
NSN 5895-01-043-8758
NSN 5905-01-162-0817
NSN 5835-00-244-4956