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 5925-01-245-8648
NSN 6320-00-343-1798
NSN 6650-01-647-1086
NSN 6135-01-046-6803
NSN 6610-00-466-3104
NSN 6105-01-066-0330
NSN 5835-00-400-5056
NSN 6150-01-431-1129
NSN 5915-01-551-6552
NSN 6685-01-575-7335
NSN 5935-01-323-5804
NSN 6145-01-233-2367