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 5960-00-191-7448
NSN 6110-00-557-8631
NSN 6620-01-564-7858
NSN 5915-00-308-4392
NSN 6320-01-067-0474
NSN 5950-01-176-2062
NSN 5855-00-256-5562
NSN 6105-00-500-9606
NSN 6620-01-365-1499
NSN 6650-01-078-8179
NSN 5985-00-226-6846
NSN 6105-01-009-1456