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 6130-01-656-7398
NSN 6685-01-411-6579
NSN 5999-00-139-6623
NSN 5965-00-933-7020
NSN 6620-01-007-8368
NSN 5910-01-522-8370
NSN 6220-01-353-9026
NSN 5935-01-546-0270
NSN 6320-01-435-5991
NSN 6150-01-087-7596
NSN 5996-00-324-8952
NSN 5905-01-240-5943