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 5935-01-076-4477
NSN 6645-01-050-4048
NSN 5930-01-436-6085
NSN 5905-00-392-0122
NSN 6135-01-618-2199
NSN 4140-01-221-7636
NSN 5975-00-009-8718
NSN 5925-01-430-5306
NSN 6240-00-344-8582
NSN 6320-01-549-7201
NSN 6645-00-829-8868
NSN 5990-00-288-1820