A sleeve shaped item having a hole through its center and equipped with a machine screw, washer, and nut. Designed to be placed in the end of a tube, sealing the tube by turning the screw causing the sleeve to expand against the walls of the tube and in turn expanding the tube. For tapered tube repair plugs, see plug, tube repair. See also cap-plug, radiator testing and plug, radiator test.
NSN 5930-00-969-6837
NSN 6685-01-624-3311
NSN 6650-01-521-7872
NSN 6130-01-570-8828
NSN 5975-01-390-8776
NSN 6650-01-587-2243
NSN 6220-01-152-5951
NSN 6610-01-424-8325
NSN 5985-00-544-3389
NSN 2925-00-143-5859
NSN 5835-01-504-0837
NSN 6150-00-964-7303