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 5996-01-314-9048
NSN 6685-01-634-0611
NSN 6130-00-168-1229
NSN 2925-01-261-0701
NSN 4140-00-956-9225
NSN 6685-00-022-2061
NSN 6610-00-424-8780
NSN 5965-01-523-5998
NSN 6650-00-213-7065
NSN 5990-00-870-8310
NSN 5910-00-323-0607
NSN 6610-01-616-1334