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 5935-01-363-9425
NSN 6320-00-186-6452
NSN 6685-01-456-6664
NSN 4140-00-128-0187
NSN 5920-00-842-4749
NSN 6110-00-514-2639
NSN 5930-00-252-7049
NSN 4140-01-634-0330
NSN 6150-01-108-4168
NSN 5920-00-314-6870
NSN 4140-01-165-9469
NSN 6650-01-618-7416