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 5945-01-114-7022
NSN 6610-00-572-1284
NSN 7035-00-541-8516
NSN 5935-01-140-8930
NSN 5990-01-440-7135
NSN 7035-01-462-5766
NSN 6130-01-629-5485
NSN 6110-01-555-5256
NSN 5990-01-529-7307
NSN 5996-00-365-5483
NSN 5985-00-141-9036
NSN 5945-01-448-9533