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 6320-01-054-3046
NSN 6105-01-496-5139
NSN 6240-01-359-2721
NSN 5905-01-528-7879
NSN 5855-01-395-0676
NSN 2925-00-799-1773
NSN 6320-01-177-3192
NSN 6620-01-180-5855
NSN 6130-01-592-1787
NSN 5905-00-106-4686
NSN 6105-01-353-7556
NSN 5835-01-550-1577