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 6620-01-633-8443
NSN 6145-00-847-6772
NSN 6645-01-268-4045
NSN 5895-01-540-8568
NSN 6110-00-225-9021
NSN 5915-00-805-6268
NSN 5920-01-660-5042
NSN 6610-00-830-9149
NSN 5930-00-905-8481
NSN 5925-01-433-5323
NSN 5945-00-987-3458
NSN 6110-01-458-5234