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 6105-01-076-3844
NSN 5998-01-073-0654
NSN 5925-01-528-9051
NSN 5835-01-216-7289
NSN 5990-00-568-4940
NSN 5895-01-351-3203
NSN 5960-00-792-6532
NSN 5925-01-313-8396
NSN 6320-01-631-7828
NSN 5895-00-180-5830
NSN 5895-01-290-7874
NSN 5855-01-125-9167