Also used for parts kit p/n 181-7349
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 6320-00-331-7138
NSN 5895-01-009-0557
NSN 4140-00-706-8991
NSN 6240-00-488-0278
NSN 6320-00-476-6898
NSN 6320-01-006-6138
NSN 5998-00-232-7625
NSN 5905-01-228-6948
NSN 6320-00-270-8222
NSN 6620-00-278-7313
NSN 6645-00-602-5968
NSN 6650-01-508-7817