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 6150-01-327-2009
NSN 6645-00-171-9639
NSN 5998-00-196-3626
NSN 5930-01-260-2864
NSN 5905-00-840-8486
NSN 6110-00-456-2058
NSN 5965-00-954-3011
NSN 6110-00-137-9544
NSN 5998-01-031-2046
NSN 6105-01-281-6806
NSN 5965-01-350-1890
NSN 5895-00-908-4758