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 5998-01-348-3540
NSN 6610-01-524-7068
NSN 5960-00-807-2032
NSN 6240-01-050-9156
NSN 5950-01-479-0313
NSN 5945-01-506-0974
NSN 4140-01-191-6457
NSN 5920-00-421-6448
NSN 5920-01-128-3572
NSN 5835-01-324-6443
NSN 6150-01-301-5542
NSN 6240-01-447-2838