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 7035-00-803-3056
NSN 5996-01-452-6595
NSN 6610-01-229-3679
NSN 5990-01-157-0441
NSN 5910-01-487-8330
NSN 2925-00-343-3235
NSN 6130-01-371-2960
NSN 5999-01-313-5479
NSN 5925-01-631-8377
NSN 5910-00-117-6257
NSN 5998-01-144-4367
NSN 6220-01-625-1934