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 6130-00-764-9708
NSN 5965-01-316-4429
NSN 5965-01-431-7377
NSN 6110-00-712-2981
NSN 5895-00-688-7620
NSN 5996-01-166-7386
NSN 6150-01-214-7289
NSN 6145-00-097-6526
NSN 6110-01-606-8283
NSN 5985-01-569-9757
NSN 5975-01-132-0223
NSN 5998-01-619-7854