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 6150-01-490-5987
NSN 5835-01-416-6455
NSN 6645-00-183-8812
NSN 5835-01-226-7875
NSN 5950-00-441-6029
NSN 5915-01-050-9080
NSN 6610-00-845-7642
NSN 5996-00-900-5251
NSN 6685-01-401-5360
NSN 5930-00-542-3901
NSN 6650-00-279-5741
NSN 5985-01-657-4003