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MIL-DTL-46118 Aluminum Alloy Armor, 2219, Rolled Plate And Die Forged ShapesThis specification covers aluminum alloy 2219 armor rolled plate and die forged shapes from 3/4 inch up to and including 4 inches in thickness.

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MIL-DTL-46118E(MR)

APPENDIX A

TABLE A-II.

Minimum required ballistic limits

(protection at 0o obliquity).

20mm FS Projectile

Thickness

Required

Thickness

Required

Thickness

Required

(inch)

BL(P) fps

(inch)

BL(P) fps

(inch)

BL(P) fps

0.900

1210

1.175

1735

1.450

2500

.905

1219

1.180

1746

1.455

2515

.910

1228

1.185

1757

1.460

2530

.915

1237

1.190

1768

1.465

2545

.920

1246

1.195

1779

1.470

2560

.925

1255

1.200

1790

1.475

2575

.930

1264

1.205

1802

1.480

2590

.935

1273

1.210

1814

1.485

2605

.940

1282

1.215

1826

1.490

2620

.945

1291

1.220

1838

1.495

2635

.950

1300

1.225

1850

1.500

2650

.955

1309

1.230

1862

1.505

2665

.960

1318

1.235

1874

1.510

2680

.965

1327

1.240

1886

1.515

2695

.970

1336

1.245

1898

1.520

2710

.975

1345

1.250

1910

1.525

2725

.980

1354

1.255

1924

1.530

2740

.985

1363

1.260

1938

1.535

2755

.990

1372

1.265

1952

1.540

2770

.995

1381

1.270

1966

1.545

2785

1.000

1390

1.275

1980

1.550

2800

1.005

1399

1.280

1994

1.555

2815

1.010

1408

1.285

2008

1.560

2830

1.015

1417

1.290

2022

1.565

2845

1.020

1426

1.295

2036

1.570

2860

1.025

1435

1.300

2050

1.575

2875

1.030

1444

1.305

2065

1.580

2890

1.035

1453

1.310

2080

1.585

2905

1.040

1462

1.315

2095

1.590

2920

1.045

1471

1.320

2110

1.595

2935

1.050

1480

1.325

2125

1.600

2950

1.055

1490

1.330

2140

1.605

2965

1.060

1500

1.335

2155

1.610

2980

1.065

1510

1.340

2170

1.615

2995

1.070

1520

1.345

2185

1.620

3010

1.075

1530

1.350

2200

1.625

3025

1.080

1540

1.355

2215

1.630

3040

1.085

1550

1.360

2230

1.635

3055

1.090

1560

1.365

2245

1.640

3070

1.095

1570

1.370

2260

1.645

3085

1.100

1580

1.375

2275

1.650

3100

1.105

1590

1.380

2290

1.655

3115

1.110

1600

1.385

2305

1.660

3130

1.115

1610

1.390

2320

1.665

3145

1.120

1620

1.395

2335

1.670

3160

1.125

1630

1.400

2350

1.675

3175

1.130

1640

1.405

2365

1.680

3190

1.135

1650

1.410

2380

1.685

3205

1.140

1660

1.415

2395

1.690

3220

1.145

1670

1.420

2410

1.695

3235

1.150

1680

1.425

2425

1.700

3250

1.155

1691

1.430

2440

1.160

1702

1.435

2455

1.165

1713

1.440

2470

1.170

1724

1.445

2485

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