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 6220-00-176-5757
NSN 6645-01-533-3786
NSN 5835-01-086-6999
NSN 5950-01-521-2083
NSN 6650-01-139-0022
NSN 6610-01-525-8235
NSN 5930-01-081-3940
NSN 6220-00-191-4887
NSN 5945-00-813-1174
NSN 6130-00-142-9532
NSN 6240-01-249-9840
NSN 4140-00-927-1116