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 6110-00-689-6313
NSN 6240-01-602-8238
NSN 5960-00-460-9901
NSN 5935-01-260-5300
NSN 5975-01-630-5561
NSN 4140-01-280-4078
NSN 5835-01-332-2867
NSN 6220-00-706-0073
NSN 5965-01-216-8217
NSN 5935-01-446-7576
NSN 5999-00-823-5001
NSN 6145-00-489-3574