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 6645-00-728-1316
NSN 6135-00-100-8890
NSN 6145-01-239-3638
NSN 6650-00-937-5319
NSN 6610-00-081-2365
NSN 5950-00-818-6438
NSN 5920-00-541-1119
NSN 6650-00-445-6990
NSN 4140-00-660-8699
NSN 6320-01-409-1388
NSN 5965-01-141-8785
NSN 5835-00-603-6661