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 5915-01-102-4078
NSN 5930-01-502-5222
NSN 6650-00-953-0127
NSN 6620-01-175-3429
NSN 5990-00-834-5393
NSN 6650-01-449-1402
NSN 5920-00-614-4643
NSN 6240-00-071-1280
NSN 4140-01-275-6963
NSN 6145-01-217-0890
NSN 5935-00-276-9399
NSN 5998-01-363-4405