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 5985-01-539-2285
NSN 6130-00-433-4933
NSN 4140-01-391-9550
NSN 5999-01-311-9964
NSN 4140-00-248-6089
NSN 6130-01-613-9935
NSN 6145-00-736-8338
NSN 6620-01-384-2105
NSN 6130-01-296-9532
NSN 5925-00-216-8767
NSN 6110-00-833-9566
NSN 5915-01-523-8824