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 5950-01-043-0316
NSN 6240-01-155-2959
NSN 5950-00-193-3573
NSN 6320-00-242-3300
NSN 4140-00-846-4786
NSN 6150-00-088-8827
NSN 5935-01-066-0125
NSN 6145-01-493-6364
NSN 5930-01-040-1876
NSN 5835-01-441-4746
NSN 5905-00-548-0906
NSN 6135-00-008-5345