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 5996-00-670-7805
NSN 5999-01-140-1567
NSN 5950-01-101-9623
NSN 6220-01-483-8529
NSN 5835-00-711-3371
NSN 5835-00-315-3797
NSN 4140-01-381-0099
NSN 6220-00-418-1961
NSN 6650-00-069-9370
NSN 6645-01-491-9845
NSN 2925-01-018-6725
NSN 5996-01-365-2728