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 6110-00-947-6621
NSN 5990-01-540-1619
NSN 6110-01-511-9917
NSN 5945-01-012-1066
NSN 6110-01-275-5914
NSN 7035-01-366-5912
NSN 6135-01-079-7852
NSN 5895-00-241-6169
NSN 5935-01-051-0673
NSN 6110-01-204-3070
NSN 6135-00-756-6149
NSN 5855-00-149-0766