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 6220-00-240-6443
NSN 6150-01-058-8972
NSN 6650-01-243-5291
NSN 5950-01-080-2875
NSN 5920-01-084-5118
NSN 6650-01-566-1573
NSN 6320-01-381-7023
NSN 6105-01-560-4687
NSN 6135-01-278-9717
NSN 5895-00-884-2482
NSN 5895-01-495-9499
NSN 5950-01-377-5879