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 5910-00-642-7527
NSN 5935-01-226-7737
NSN 6620-01-542-2689
NSN 6145-00-538-9885
NSN 5990-01-586-8202
NSN 5915-00-675-0091
NSN 6105-00-952-6547
NSN 6130-01-203-9147
NSN 5925-01-026-9649
NSN 5990-01-459-9533
NSN 5915-01-463-2465
NSN 6620-01-009-1423