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 5990-01-143-2518
NSN 5910-01-370-3977
NSN 6320-01-481-7322
NSN 6220-01-417-4394
NSN 6650-00-185-8344
NSN 2925-01-239-6044
NSN 6220-00-616-4247
NSN 5945-01-360-8520
NSN 5855-00-797-8217
NSN 5960-01-299-5832
NSN 5945-00-529-0409
NSN 6145-01-099-9114