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 7035-01-362-4924
NSN 5965-01-139-2712
NSN 6220-00-960-0778
NSN 7035-00-929-0363
NSN 5895-01-325-1560
NSN 5999-01-397-1257
NSN 5945-01-391-1041
NSN 5895-01-187-8943
NSN 6610-01-153-8625
NSN 5945-01-586-8213
NSN 6240-01-286-5509
NSN 5999-01-007-4734