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 5835-00-187-1481
NSN 6135-00-932-3136
NSN 5935-00-583-1351
NSN 5996-01-036-8366
NSN 2925-00-225-5386
NSN 7035-01-139-5707
NSN 6650-01-461-7713
NSN 6320-01-492-1976
NSN 5915-00-163-3936
NSN 5965-00-804-8098
NSN 5855-00-189-6066
NSN 5965-01-388-5296