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 5925-00-570-4771
NSN 6650-01-247-3435
NSN 5905-01-428-9141
NSN 5945-00-233-6790
NSN 6650-01-144-0617
NSN 6620-01-473-8262
NSN 5975-00-262-0896
NSN 5835-01-242-9806
NSN 7035-00-349-8571
NSN 5915-00-496-0684
NSN 6240-01-235-2604
NSN 5950-00-081-1439