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 4140-00-526-4505
NSN 5835-01-013-0956
NSN 5930-00-161-3183
NSN 5960-01-024-0578
NSN 6130-01-208-4655
NSN 6320-00-937-5625
NSN 5990-00-422-2093
NSN 5835-00-491-3834
NSN 5835-01-456-3922
NSN 5998-00-959-2283
NSN 5996-00-138-9938
NSN 6240-01-160-7934