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 5895-01-409-2949
NSN 5965-01-173-9106
NSN 6150-01-019-5194
NSN 6685-01-015-4907
NSN 6610-01-435-2935
NSN 6110-00-592-7474
NSN 6105-00-248-3900
NSN 5999-01-469-3331
NSN 5998-00-028-3488
NSN 6240-01-246-1896
NSN 6610-01-115-0131
NSN 5915-01-239-4435