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 5998-01-442-5765
NSN 6145-01-088-3461
NSN 6220-00-912-0073
NSN 5835-00-980-0468
NSN 6135-01-501-0833
NSN 4140-01-275-6963
NSN 6645-01-232-4843
NSN 5920-01-432-2428
NSN 5855-01-145-4903
NSN 6650-01-380-9424
NSN 5975-01-202-6347
NSN 5930-01-262-3867