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 6650-01-075-3599
NSN 5915-00-981-9294
NSN 7035-01-205-6909
NSN 6145-01-061-2033
NSN 5835-01-113-4604
NSN 5960-00-707-3335
NSN 5985-00-739-8241
NSN 5975-01-300-9553
NSN 7035-01-628-1189
NSN 5935-00-154-5046
NSN 6130-01-251-8505
NSN 6685-00-902-2278