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 6150-00-113-5249
NSN 6105-01-489-1511
NSN 6650-00-869-5760
NSN 4140-01-005-1860
NSN 6685-01-600-7649
NSN 6240-01-573-7036
NSN 6650-00-139-7614
NSN 5985-01-434-5005
NSN 6105-00-043-2566
NSN 7035-00-513-9764
NSN 5835-01-250-2939
NSN 5990-01-453-3552