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 5855-01-364-9810
NSN 6135-01-627-6921
NSN 6650-01-633-9147
NSN 5990-01-116-2181
NSN 5930-01-437-0094
NSN 4140-01-273-0196
NSN 5999-01-423-9396
NSN 5999-01-390-2641
NSN 6320-00-284-1524
NSN 5905-01-575-7836
NSN 5998-01-136-5729
NSN 5950-01-422-0467