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 6220-00-515-6998
NSN 6105-01-134-2025
NSN 6650-01-236-0366
NSN 6150-00-528-4175
NSN 6110-01-221-1977
NSN 5945-00-110-9059
NSN 6135-01-328-0639
NSN 6145-01-074-7541
NSN 5998-00-463-4045
NSN 5975-01-533-5077
NSN 5975-00-226-8429
NSN 5975-00-875-4082