W40 (nuclear warhead)

The W40 nuclear warhead was an American nuclear warhead developed in the late 1950s and which saw service from 1959 to 1972. It was a fusion-boosted fission type weapon.

The W40 design was reportedly the common Python primary or fission core used by the US B28 nuclear bomb, W28 nuclear warhead, and W49 nuclear warhead.

The W40 was 18 inches in diameter, 32 inches long, and weighed around 385 pounds. It had a design yield of 10 kilotons.

The W40 was used in the MGM-18 Lacrosse surface to surface missile (SRBM) and CIM-10 Bomarc surface to air missiles (SAM).

External links

Allbombs.html list of all US nuclear weapons at nuclearweaponarchive.org

United States nuclear devices

Fission

World War II bombs	Gadget Little Boy Thin Man Fat Man

Post-war bombs	Mark III Mark 4 Mark 5 Mark 6 Mark 7 Mark 8 Mark 10 Mark 11 Mark 12 Mark 13 Mark 18 Mark 20

Primaries	Swan Python Robin Tsetse Kinglet

Post-war warheads	W4 W5 W7 W8 W9 W12 W13 W19 W23 W25 W44 W45 W48 W54 W72 W74 W79 W82

Atomic demolition munitions (mines)	T-4 SADM TADM MADM

Boosted
fission

Warheads	W30 W31 W33 W34 W40

Thermonuclear

Bombs	Mark 14 Mark 15 TX-16 Mark 17 Mark 21 TX-22 Mark 24 Mark 26 Mark 27 B28 Mark 36 Mark 39 B41 B43 TX-46 B53 B57 B61 B77 B83 B90

Depth bombs	Mark 90 Mk 101 B57

Warheads	W15 W27 W28 TX-29 XW-35 W38 W39 W47 W49 W50 W52 W53 W55 W56 W58 W59 W62 W67 W68 W69 W70 W71 W73 W76 W78 W80 W81 W84 W85 W86 W87 W88 W89 W91 RRW

Enhanced radiation warheads	W66 W70 Mod 3 W79 Mod 0 W82 Mod 0

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W40 (nuclear warhead)

See also

External links