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 5930-00-434-9824
NSN 4140-00-205-0853
NSN 4140-01-420-6986
NSN 6240-01-459-8989
NSN 5920-01-141-1741
NSN 6130-00-191-7347
NSN 5930-00-351-7168
NSN 2925-01-148-7646
NSN 6620-01-502-5083
NSN 5990-00-594-7291
NSN 6610-01-627-8985
NSN 5915-00-106-0308