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 4140-01-602-9257
NSN 5996-01-503-0742
NSN 5935-01-324-7401
NSN 6105-00-380-0309
NSN 6220-00-097-6694
NSN 6610-01-588-6672
NSN 5998-01-488-5167
NSN 7035-00-329-4015
NSN 5910-01-346-0771
NSN 6145-01-192-6416
NSN 5920-01-321-5130
NSN 6240-01-086-7521