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 6645-01-439-4240
NSN 5965-01-546-0164
NSN 5925-01-519-2717
NSN 6610-01-037-9858
NSN 5950-01-357-6966
NSN 6135-01-370-2599
NSN 5996-01-267-7707
NSN 6220-01-088-6604
NSN 6145-01-099-9620
NSN 5945-00-833-8948
NSN 5935-01-435-3450
NSN 6650-00-958-7408