W42 (nuclear warhead)

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XW42 warhead with its storage container.

The W42 was an American nuclear

fission weapon
developed in 1957.

In December 1957 the

HAWK low- to medium-altitude surface-to-air missile
. In July 1958 the military characteristics were approved for the new warhead and the design released. Two months later the requirement for a HAWK with a nuclear warhead was cancelled.

The warhead was briefly considered for the AAM-N-10 Eagle long-range air-to-air missile[1]

The dimensions of the warhead were 13–14 in (33–36 cm) wide by 18.5 in (47 cm) long. It weighed 75–92 pounds (34–42 kg) and used a proximity fuze.

The project was cancelled in June 1961.



  1. ^ Parsch 2003


  • from the original on 2016-12-30. Retrieved 2015-08-28.
  • Parsch, Andreas (6 January 2003). "Bendix AAM-N-10 Eagle". Directory of U.S. Military Rockets and Missiles, Appendix 1: Early Missiles and Drones. Designation-Systems. Archived from the original on 2017-09-17. Retrieved 2017-12-22.