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 5920-01-517-1158
NSN 6320-01-616-0843
NSN 5935-01-618-3351
NSN 4140-01-330-0613
NSN 5990-01-145-8961
NSN 6135-01-142-6456
NSN 6650-01-101-9023
NSN 5910-01-152-2051
NSN 6610-01-426-5090
NSN 5905-01-512-0507
NSN 6620-01-391-9829
NSN 6650-01-359-8537