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 4140-01-447-3141
NSN 6105-01-492-5723
NSN 5855-01-351-6875
NSN 5835-01-363-4527
NSN 6130-00-537-6257
NSN 5930-00-540-9647
NSN 6650-01-087-0625
NSN 2925-00-922-3785
NSN 5996-01-033-1300
NSN 6105-00-409-4145
NSN 5960-00-790-0509
NSN 6610-01-255-4544