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 5905-01-643-6555
NSN 6610-01-085-6947
NSN 2925-01-398-6751
NSN 5925-01-068-2887
NSN 5999-01-411-6126
NSN 6620-01-606-8964
NSN 5920-01-634-0250
NSN 6145-01-071-5868
NSN 5945-01-090-0890
NSN 5835-01-592-2350
NSN 5945-01-115-2979
NSN 5915-01-016-2707