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 5835-00-779-2836
NSN 5855-01-622-9699
NSN 5960-00-840-7103
NSN 5990-01-432-4984
NSN 7035-01-278-1379
NSN 6105-01-462-1344
NSN 6645-01-575-4181
NSN 5999-01-592-4061
NSN 5975-01-330-7353
NSN 5835-01-220-6024
NSN 5975-01-500-6892
NSN 5975-00-086-2309