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 5915-01-433-2405
NSN 6150-01-485-2322
NSN 6220-01-367-2923
NSN 5996-01-226-0606
NSN 5990-00-959-8280
NSN 6150-01-512-1952
NSN 5925-00-018-6646
NSN 6320-01-384-3850
NSN 6220-01-596-1414
NSN 6145-01-622-7811
NSN 6105-01-032-6683
NSN 6220-01-145-4993