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 5960-01-134-1793
NSN 5910-00-583-1998
NSN 6145-01-611-1074
NSN 6320-00-841-2279
NSN 6650-01-378-6868
NSN 5915-00-532-7023
NSN 6110-01-626-1094
NSN 5920-00-216-8665
NSN 5905-01-413-5402
NSN 6110-01-145-3261
NSN 6645-00-962-6825
NSN 5998-00-072-1318