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 5835-01-087-5611
NSN 7035-00-931-9415
NSN 5998-01-067-7671
NSN 6105-01-310-8159
NSN 5835-01-143-9143
NSN 5996-01-074-9603
NSN 2925-01-356-6017
NSN 5925-01-602-5255
NSN 5935-00-295-3346
NSN 6135-00-826-0334
NSN 5945-01-651-5308
NSN 6110-01-512-1817