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 4140-01-325-1436
NSN 6150-01-317-3639
NSN 6685-01-386-3110
NSN 6130-01-312-5789
NSN 6110-00-389-0073
NSN 5905-00-189-6699
NSN 5960-01-632-6576
NSN 6145-01-233-0615
NSN 5950-01-350-5723
NSN 5855-01-122-3125
NSN 5990-00-866-3694
NSN 5915-00-473-2112