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 6650-01-239-1028
NSN 6320-01-397-9995
NSN 5999-01-363-2316
NSN 5998-00-168-3869
NSN 5915-01-365-6546
NSN 5965-01-516-1236
NSN 5975-01-599-4659
NSN 6145-01-532-7521
NSN 6685-00-869-0584
NSN 5905-00-644-5055
NSN 6320-00-731-6134
NSN 5905-01-366-7382