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 5990-00-293-6031
NSN 5945-00-488-3348
NSN 6320-01-275-3972
NSN 5920-00-100-2582
NSN 6110-01-441-3729
NSN 5915-00-244-4210
NSN 5945-01-308-4832
NSN 5935-01-111-8795
NSN 6130-01-031-6890
NSN 6110-01-262-0218
NSN 6130-01-251-5179
NSN 5925-01-655-7992