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| U.S. EXPLOSIVE ORDNANCE |
| PART 7 - GUIDED MISSILES AND FUZES |
| Chapter 21 - MISSILES |
| Section 1 - FUZES |
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M121, M122, M137, M156, and T57 (Tail Mechanical Impact) |
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Missiles |
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M121 |
Destructor M4 (GB-4) Destructor M8 (GB-8) |
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M122 |
GB-1 (Cancelled) |
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M137 |
Destructor M5 (GT-1 (Cancelled) |
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M156 |
GB-8 |
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T57 |
Undetermined |
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Functioning |
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M121 |
Non-delay - Primer Detonator M27 |
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M122 |
4- to 5-sec. delay - Primer Detonator M16A1 |
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M137 |
4- to 5-sec. delay - Primer Detonator M16A1 |
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M156 |
4- to 5-sec. delay - Primer Detonator M16A1 |
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T57 |
Non-delay |
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Length, inches |
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M121 |
9.6 |
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M122 |
16.6 |
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M135 |
9.6 |
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M156 |
12.6 |
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Arming data |
150 to 170 vane revolutions |
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General: These fuzes are exactly like the M115 series, except for the primer detona-tor combinations and some differences in materials. The construction and operation are the same. |
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