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The W58 was an American thermonuclear warhead used on the Polaris A-3 submarine-launched ballistic missile. Three W58 warheads were fitted as multiple warheads on each Polaris A-3 missile.
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warhead system missile weapon warheads reentry primary would polaris kg fuzing body inches airburst firing three pounds used type nuclear
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| W58 | Blast yield | 200 kilotonnes of TNT (840 TJ) | 1.00 | infobox |
| W58 | Designed | 1960 to 1964 | 1.00 | infobox |
| W58 | Designer | Lawrence Livermore National Laboratory | 1.00 | infobox |
| W58 | Diameter | 15.6 in (40 cm) | 1.00 | infobox |
| W58 | Length | 40.3 inches (102 cm) | 1.00 | infobox |
| W58 | Mass | 257 lb (117 kg) | 1.00 | infobox |
| W58 | No. built | 1400 | 1.00 | infobox |
| W58 | Place of origin | United States | 1.00 | infobox |
| W58 | Produced | March 1964 to June 1967 | 1.00 | infobox |
| W58 | Type | Nuclear weapon | 1.00 | infobox |
| W58 | Variants | 2 | 1.00 | infobox |
| W58 | related to history | The W58 | 0.60 | section |
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