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 5910-00-135-1157
NSN 5915-01-110-6695
NSN 5920-01-381-1306
NSN 5920-01-604-9426
NSN 6320-01-229-6479
NSN 5998-00-190-9825
NSN 6145-01-622-0390
NSN 5855-01-132-5139
NSN 5910-00-751-9581
NSN 5999-01-381-1139
NSN 4140-00-365-2531
NSN 5910-01-572-9036