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 6685-01-461-4057
NSN 6220-01-176-5190
NSN 6150-00-583-9878
NSN 5915-01-496-6957
NSN 6320-00-456-2092
NSN 6650-00-158-3683
NSN 6130-00-470-7825
NSN 6135-01-483-1501
NSN 7035-00-300-3208
NSN 5990-00-925-3925
NSN 6130-01-603-0999
NSN 6135-01-071-4923