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 4140-01-584-4107
NSN 5999-01-489-6139
NSN 5945-01-406-2899
NSN 5945-01-473-3447
NSN 5950-00-104-7526
NSN 6220-00-541-8515
NSN 5998-00-169-5545
NSN 5925-01-583-2968
NSN 5960-01-354-0762
NSN 5920-01-380-8738
NSN 6320-00-731-6134
NSN 6650-01-132-6860