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 5930-00-753-7890
NSN 6220-00-815-0191
NSN 5855-01-340-6541
NSN 5915-00-071-2267
NSN 6320-01-192-0332
NSN 5950-00-450-8769
NSN 5990-01-179-5625
NSN 6650-01-533-1267
NSN 5920-00-806-3152
NSN 6220-00-295-3594
NSN 6105-00-905-1291
NSN 6240-01-476-5776