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 5950-00-953-0695
NSN 6320-01-278-2359
NSN 5835-01-454-2674
NSN 5990-01-537-4815
NSN 6135-01-426-8282
NSN 5996-01-421-4417
NSN 5895-00-080-7869
NSN 5935-00-554-0244
NSN 6240-01-449-1387
NSN 5925-01-530-5757
NSN 5965-01-446-1533
NSN 5985-01-437-9065