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 6650-01-298-4138
NSN 5985-01-267-0747
NSN 6110-01-631-2624
NSN 6610-00-403-1991
NSN 6220-01-464-3040
NSN 6620-00-382-8827
NSN 5990-01-633-9503
NSN 5920-00-824-0234
NSN 7035-01-238-5036
NSN 6620-01-430-7104
NSN 5855-01-523-1177
NSN 5985-01-433-9173