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 5835-01-485-1408
NSN 6145-01-113-8205
NSN 6130-00-309-0852
NSN 5999-00-228-6498
NSN 5950-00-191-1672
NSN 5985-00-261-7753
NSN 5920-00-868-7651
NSN 6620-00-162-9877
NSN 5905-01-239-6028
NSN 7035-00-679-9027
NSN 5905-01-484-2138
NSN 5960-01-509-8779