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 7035-01-123-8723
NSN 5915-00-176-2548
NSN 5835-01-457-5630
NSN 2925-00-185-1618
NSN 5915-01-102-5344
NSN 5910-01-505-2162
NSN 5895-00-993-1583
NSN 5999-01-246-6997
NSN 6610-01-252-1096
NSN 5915-00-932-3040
NSN 5925-01-225-1322
NSN 6130-01-105-0943