Underwater life support iaw navsea instruction 10560.2b
No other part numbers with same form, fit, and function found.
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 2925-00-110-7975
NSN 5965-01-127-0389
NSN 6105-01-572-0271
NSN 6320-00-405-2348
NSN 6135-00-334-4500
NSN 6220-00-501-1359
NSN 5920-01-257-8611
NSN 7035-01-651-0678
NSN 5999-00-824-7917
NSN 6105-01-177-1457
NSN 5996-01-127-5431
NSN 5945-01-494-2743