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 5960-00-174-1867
NSN 5930-01-619-8845
NSN 5930-01-561-5591
NSN 5935-01-536-7233
NSN 5855-01-085-5354
NSN 6610-01-508-6272
NSN 6240-01-072-6103
NSN 4140-01-533-2556
NSN 6650-01-241-7978
NSN 5910-00-872-6967
NSN 5835-01-422-2399
NSN 5920-01-537-7784