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 4140-01-437-7176
NSN 5920-01-623-1726
NSN 6145-01-527-8098
NSN 5935-01-606-7805
NSN 5950-01-531-6743
NSN 6685-00-806-9345
NSN 7035-00-312-3055
NSN 5960-00-960-6805
NSN 6650-01-602-5070
NSN 6685-01-063-1165
NSN 6620-01-220-8579
NSN 6110-00-880-1318