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 7035-01-146-7096
NSN 6130-00-420-2412
NSN 5935-01-255-3203
NSN 6620-00-054-4778
NSN 5998-01-413-7312
NSN 5905-00-020-3832
NSN 6650-00-627-8201
NSN 6130-00-001-2778
NSN 2925-01-116-6838
NSN 6145-01-640-6511
NSN 6110-01-294-8951
NSN 5915-00-081-7815