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 5999-01-412-1094
NSN 4140-01-285-0266
NSN 5945-00-076-3031
NSN 5920-01-372-1322
NSN 6110-01-188-7432
NSN 2925-01-140-1015
NSN 5925-01-314-5514
NSN 6150-01-210-6119
NSN 6620-01-497-3744
NSN 6685-00-121-1390
NSN 7035-00-437-7950
NSN 6220-01-433-5281