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 5915-00-922-1629
NSN 4140-01-241-4659
NSN 5835-01-321-7895
NSN 5990-00-855-1056
NSN 4140-01-516-2446
NSN 5960-01-507-9112
NSN 5855-01-089-2248
NSN 6105-01-603-9605
NSN 5855-01-536-9873
NSN 6220-00-892-4507
NSN 5895-00-758-4479
NSN 5945-01-058-8228