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| U.S. EXPLOSIVE ORDNANCE |
| PART 1 - PROJECTILES, PROPELLANT, AND PROECTILE FUZES |
| Chapter 1 - Projectiles |
| Section 11 - 20-mm PROJECTILES |
| 20-mm A.P.-T. Mk 9 |
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Over-all length, inches |
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With cap & windshield |
3.051 |
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Without cap & windshield |
2.499 |
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Diameter of base, inches |
0.742 |
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Distance base to band, inches |
0.315 |
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Width of band, inch |
0.154 |
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Diameter at bourrelet, inch |
0.784 |
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Weight of loaded projectile, pound |
0.2686 |
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Cartridge Case |
Mks 3 and 4 |
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Primer |
Mk 31 |
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Tracer |
Integral |
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Figure 75 (Part 2). 20-mm Projectiles. |
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