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 5990-00-543-2755
NSN 4140-01-146-4474
NSN 2925-00-679-8131
NSN 6130-00-718-0860
NSN 5950-01-231-7598
NSN 6110-01-504-8173
NSN 5965-00-071-0562
NSN 5998-00-137-4149
NSN 6105-00-462-1810
NSN 5965-01-457-6363
NSN 6620-01-476-7355
NSN 5835-01-647-0775