Worldwide distributor of NSN parts and consumables located in the USA.
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.
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