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 6130-00-175-8066
NSN 5985-01-307-1374
NSN 5930-01-212-1046
NSN 6650-01-525-0958
NSN 5930-00-428-3675
NSN 5915-01-421-1818
NSN 6610-01-462-9439
NSN 6650-01-156-6736
NSN 5925-00-325-4424
NSN 5935-01-034-8220
NSN 4140-00-988-0506
NSN 4140-01-330-0613