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 5905-01-104-4822
NSN 6145-01-492-7730
NSN 6145-00-822-5524
NSN 6240-00-737-2775
NSN 6240-01-128-4906
NSN 6105-00-918-8239
NSN 6320-00-731-6134
NSN 6610-01-020-3764
NSN 5915-01-431-6951
NSN 5996-01-341-6437
NSN 2925-00-182-9023
NSN 6220-01-459-8668