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 6650-01-088-1681
NSN 5855-00-548-4742
NSN 5910-01-281-7352
NSN 5950-01-415-9890
NSN 6105-01-351-5998
NSN 6685-01-029-3773
NSN 6685-00-538-8656
NSN 5910-01-469-5989
NSN 6150-01-082-4760
NSN 5998-00-161-1942
NSN 5965-00-863-6031
NSN 7035-01-541-5414