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 5998-00-203-1232
NSN 6130-01-561-8314
NSN 6240-01-197-3888
NSN 6110-00-113-1415
NSN 5935-01-371-4833
NSN 6220-00-264-8250
NSN 6130-01-090-0631
NSN 5920-01-237-5466
NSN 5998-01-303-1723
NSN 5990-00-594-7291
NSN 5965-01-142-8044
NSN 6145-01-191-7357