MIL-DTL-46192C (MR)
APPENDIX A
TABLE A-IV.
Minimum required ballistic limits - 20 mm fragment
simulating projectile at 0 degrees obliquity 2519 alloy.
_______________________________________________________________________________
Thickness
Required
Thickness
Required
Thickness
Required
(inches)
BL(P) fps
(inches)
BL(P) fps
(inches)
BL(P) fps
0.915
1269
1.110
1663
1.310
2184
0.920
1278
1.115
1675
1.315
2199
0.925
1287
1.120
1686
1.320
2214
0.930
1296
1.125
1698
1.325
2229
0.935
1305
1.130
1710
1.330
2244
0.940
1314
1.135
1721
1.335
2259
0.945
1324
1.140
1733
1.340
2274
0.950
1333
1.145
1745
1.345
2290
* 0.951
1335
1.150
1757
1.350
2305
0.955
1342
1.155
1769
1.355
2321
0.960
1352
1.160
1781
1.360
2336
0.965
1361
1.165
1793
1.365
2352
0.970
1371
1.170
1806
1.370
2368
0.975
1380
1.175
1818
1.375
2384
0.980
1390
1.180
1831
1.380
2400
0.985
1400
1.185
1843
1.385
2416
0.990
1409
1.190
1856
1.390
2433
0.995
1419
1.195
1868
1.395
2449
1.000
1429
1.200
1881
1.400
2465
1.005
1439
1.205
1894
1.405
2482
1.010
1449
1.210
1907
1.410
2499
1.015
1459
1.215
1920
1.415
2516
1.020
1469
1.220
1933
1.420
2532
1.025
1479
1.225
1946
1.425
2550
1.030
1490
1.230
1960
1.430
2567
1.035
1500
1.235
1973
1.435
2584
1.040
1510
1.240
1986
1.440
2601
1.045
1521
1.245
2000
1.445
2619
1.050
1531
1.250
2014
1.450
2636
1.055
1542
1.255
2027
1.455
2654
1.060
1553
1.260
2041
1.460
2672
1.065
1563
1.265
2055
1.465
2690
1.070
1574
1.270
2069
1.470
2708
1.075
1585
1.275
2083
1.475
2726
1.080
1596
1.280
2097
1.480
2744
1.085
1607
1.285
2111
1.485
2763
1.090
1618
1.290
2126
1.490
2781
1.095
1629
1.295
2140
1.495
2800
1.100
1641
1.300
2155
** 1.500
2819
1.105
1652
1.305
2169
1.505
2838
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