Underwater life support iaw navsea instruction 10560.2b
No other part numbers with same form, fit, and function found.
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 5975-00-406-4753
NSN 6610-01-051-8484
NSN 5855-00-944-0949
NSN 4140-01-199-2522
NSN 5996-01-069-5027
NSN 5920-01-172-5111
NSN 6130-00-212-4883
NSN 5915-00-249-1641
NSN 6240-00-708-2083
NSN 6145-01-415-2658
NSN 6150-01-350-4072
NSN 6620-00-881-3908