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 6135-00-660-8654
NSN 4140-01-007-5247
NSN 6620-01-633-8443
NSN 6650-01-531-4542
NSN 6320-01-585-8468
NSN 5905-01-435-9983
NSN 5855-01-417-3250
NSN 5895-01-419-4648
NSN 5990-01-103-2982
NSN 5895-00-114-3418
NSN 5985-00-149-1675
NSN 5855-00-408-2611