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 5920-00-362-1376
NSN 6650-00-371-0884
NSN 5855-00-832-9341
NSN 6620-01-633-8443
NSN 2925-01-141-7563
NSN 4140-01-428-9426
NSN 6135-01-223-3869
NSN 5920-01-212-1536
NSN 6220-01-215-0907
NSN 5998-00-210-8622
NSN 6645-01-521-2533
NSN 6320-00-905-0543