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 6650-01-111-2036
NSN 5835-00-153-4100
NSN 5950-00-645-6506
NSN 6320-01-173-7950
NSN 6650-01-296-0883
NSN 5990-01-004-6343
NSN 5935-00-008-0736
NSN 2925-00-221-8529
NSN 5930-01-106-9371
NSN 6150-01-476-4256
NSN 7035-00-553-6951
NSN 5998-01-634-0604