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 7035-00-541-8516
NSN 5945-01-607-0980
NSN 5895-01-531-3581
NSN 7035-01-633-9537
NSN 6685-01-337-4227
NSN 6220-01-003-9126
NSN 5998-00-282-2097
NSN 2925-01-466-0892
NSN 5996-01-411-6195
NSN 5960-01-624-1170
NSN 5835-01-487-3042
NSN 2925-01-408-2088