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 5960-01-589-6846
NSN 5985-00-841-5642
NSN 6110-00-102-7797
NSN 5985-01-107-6798
NSN 5835-01-116-2369
NSN 6145-01-288-0180
NSN 5945-00-138-1469
NSN 5965-01-326-9860
NSN 5998-01-377-3656
NSN 5930-00-927-5851
NSN 6240-01-502-7280
NSN 5990-01-357-2453