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 7035-00-834-2090
NSN 5945-01-555-8059
NSN 6220-00-429-6652
NSN 5835-01-098-4289
NSN 6645-01-176-3372
NSN 6620-00-100-4517
NSN 5996-01-530-5317
NSN 5945-00-679-3601
NSN 6650-01-260-7427
NSN 5835-01-004-8997
NSN 5910-01-425-3281
NSN 6610-01-456-5234