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 7035-01-114-3134
NSN 6650-01-145-5173
NSN 6320-01-449-1014
NSN 6645-01-629-9657
NSN 5945-01-189-1878
NSN 5965-01-024-7960
NSN 5930-00-971-1578
NSN 6105-01-321-5920
NSN 6650-01-555-8819
NSN 2925-01-009-9560
NSN 5855-00-688-9954
NSN 5950-00-456-1844