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 5945-00-436-2603
NSN 5935-00-308-2821
NSN 5985-00-305-6214
NSN 5998-00-698-2085
NSN 6145-01-611-6822
NSN 5895-00-539-8322
NSN 6620-01-396-2149
NSN 6620-01-202-7415
NSN 5996-01-212-7174
NSN 6150-01-643-1803
NSN 5915-01-013-4085
NSN 6220-01-617-8586