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 5910-00-202-1056
NSN 5905-00-526-9582
NSN 6150-01-486-6816
NSN 5905-01-267-1339
NSN 6650-00-445-6990
NSN 6150-00-823-4702
NSN 6150-00-161-2480
NSN 5895-00-951-6944
NSN 5950-00-150-4772
NSN 5925-01-082-0591
NSN 6650-01-472-6547
NSN 6320-00-699-1091