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 5915-01-374-5983
NSN 6130-01-090-0894
NSN 6685-00-904-4845
NSN 7035-01-411-6062
NSN 6105-00-169-8773
NSN 6650-01-073-9961
NSN 4140-01-412-0794
NSN 5910-01-213-0390
NSN 6130-00-151-5001
NSN 5895-01-029-1142
NSN 5990-01-246-2488
NSN 6110-01-178-5996