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 5855-01-358-5253
NSN 6650-01-079-3920
NSN 6220-00-274-8541
NSN 5950-01-145-9885
NSN 5996-01-581-5787
NSN 6240-01-283-7824
NSN 6620-01-008-2715
NSN 5960-00-121-9926
NSN 6650-00-824-5510
NSN 5905-00-441-0630
NSN 5999-01-068-3639
NSN 6650-01-251-0584