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 5990-01-524-8954
NSN 5910-01-529-2090
NSN 6105-01-166-1874
NSN 5835-01-416-6449
NSN 6220-01-519-8385
NSN 5915-01-289-9907
NSN 5985-01-243-4085
NSN 6320-01-462-2295
NSN 5915-01-360-5612
NSN 6150-01-431-7001
NSN 6320-01-421-3777
NSN 6135-00-660-8654