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 5925-00-225-1831
NSN 6240-01-616-6813
NSN 6135-01-428-8821
NSN 5998-00-186-8583
NSN 6650-00-537-9222
NSN 5925-01-225-1978
NSN 6320-00-456-2092
NSN 5935-01-360-6631
NSN 5930-01-226-3268
NSN 5950-01-433-6508
NSN 6145-01-573-1751
NSN 5930-00-900-6614