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 6105-01-080-5934
NSN 6130-01-400-6123
NSN 6320-01-631-7828
NSN 5915-01-432-2326
NSN 6220-01-202-2771
NSN 6150-01-526-8609
NSN 6685-00-505-1164
NSN 5999-01-578-1686
NSN 6110-00-643-4832
NSN 6620-01-163-3329
NSN 6320-01-158-2177
NSN 4140-01-470-2599