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 5910-00-193-0922
NSN 5945-00-141-0160
NSN 5910-00-089-1916
NSN 6135-01-579-3534
NSN 6610-01-446-7635
NSN 5915-01-328-1582
NSN 6320-01-512-2031
NSN 5990-01-066-5227
NSN 5855-01-615-8016
NSN 5950-00-947-7435
NSN 5965-01-495-6455
NSN 6610-00-006-1489