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 5895-01-197-5009
NSN 6685-01-365-9577
NSN 5945-01-313-4403
NSN 5945-01-644-9425
NSN 5996-00-280-7289
NSN 6650-01-503-8086
NSN 6135-00-375-6861
NSN 6320-01-383-3257
NSN 5985-01-338-8397
NSN 5999-01-659-2064
NSN 5965-01-039-8557
NSN 5905-01-489-5756