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| BOMB FUZE DATA |
| Part 1 - NAVY BOMB FUZES |
| BOMB TAIL FUZES Mk 237 and MK 238 |
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Bomb Fuzes Mk 235 and Mk 236. - These special fuzes are described in OP 690. The fuzes and information concerning them may be obtained by special request to the Bu-reau of Ordnance. |
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Characteristics |
| Action - Lead shear wire, long delay, 2-, 10-, and 30-hr. |
| Modification - Mods 0 and 1 differ only in arming mechanism details. |
| Status - Service. |
| Restriction on Use - None. Minimum release altitude is same as for instantaneous fuzes. |
| Air Travel to Arm - Approximately 400 to 500 ft. |
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Indication of Arming - If the distance between the eyelet on the gear mechanism and the flange on the stem cup is greater then 3/8 in., the fuze should be considered armed. |
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Figure 26. - Outline Drawing of Tail Fuzes Mk 237 Mod 0 and Mk 238 Mod 0 |
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Bombs in Which Used |
| Mk 237 - 500-lb. G.P. Bomb AN-M64A1* |
| Mk 238 - 1000-lb. G.P. Bomb AN-M65A1* |
| * Bombs without the A1 modification may be used if the A1 Mods are not available. |
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Figure 27. - Tail Fuze Mk 237 Mod 0 |
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Weight and Packing |
| Weight of Fuze Fully Loaded - Mk 237 approximately 4.3 lb. |
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Mk 238 approximately 4.5 lb. |
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Standard Packing - Ten Fuzes (without vanes), each in a metal container, and two containers, each holding vane assemblies, are packed in a metal crate whose weight and dimensions are: |
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Fuze |
Crate size |
Weight |
| Mk 237 | 20.7 in. x 6.7 in. x 14.4 in. | 64 lb. |
| Mk 238 | 20.7 in. x 6.7 in. x 18.4 in. | 71 lb. |
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