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 5895-00-724-1777
NSN 6610-01-088-2352
NSN 2925-00-456-7627
NSN 5998-01-493-4721
NSN 6685-01-625-1895
NSN 6220-01-369-6800
NSN 5905-00-346-8113
NSN 5999-00-225-9489
NSN 6645-01-648-2115
NSN 6150-01-098-9098
NSN 4140-00-555-3856
NSN 6110-00-828-1820