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 6650-01-433-3056
NSN 6145-00-185-9962
NSN 6130-01-411-8831
NSN 6135-01-449-2144
NSN 5985-01-183-1846
NSN 5915-01-422-2014
NSN 6145-00-199-8066
NSN 5999-00-249-6824
NSN 5905-00-222-9628
NSN 5960-00-344-1861
NSN 5999-01-092-7805
NSN 5950-01-252-6117