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 6685-01-547-6466
NSN 5910-01-144-5396
NSN 6240-00-170-5302
NSN 6105-00-402-9692
NSN 4140-00-205-0853
NSN 7035-01-655-3275
NSN 6130-01-304-2098
NSN 2925-01-437-9041
NSN 5975-01-049-1164
NSN 6650-01-066-0420
NSN 5965-01-569-3332
NSN 5895-01-440-2052