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 5835-01-342-7975
NSN 6240-01-231-4184
NSN 5925-01-507-3020
NSN 6620-00-103-6610
NSN 6645-00-255-8182
NSN 5975-01-080-1259
NSN 6220-01-311-5764
NSN 6610-01-364-0294
NSN 5990-00-882-4123
NSN 5975-01-443-3292
NSN 5930-01-096-7029
NSN 6610-00-186-9180