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Page Title:
Table A-XIIA. Upper ballistic limits for class 3 armor, firing obliquity: 0, projectile: 20 mm M602 APIT. |
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|  MIL-A-12560H (MR)
w/INT. AMENDMENT 4
APPENDIX A
TABLE A-XIIA. Upper ballistic limits for class 3 armor, firing obliquity: 0, projectile: 20 mm
M602 APIT.
Thickness,
Required
Thickness,
Required
Thickness,
Required
inches
BL(P), ft/sec
inches
BL(P), ft/sec
inches
BL(P), ft/sec
1.100
2042
1.490
2501
1.890
2902
1.110
2055
1.500
2512
1.900
2911
1.120
2068
1.510
2523
1.910
2921
1/ 1.126
2076
1.520
2534
1.920
2930
1.130
2081
1.530
2544
1.930
2939
1.140
2094
1.540
2555
1.940
2948
1.150
2106
1.550
2565
1.950
2958
1.160
2119
1.560
2576
1.960
2967
1.170
2131
1.570
2586
1.970
2976
1.180
2144
1.580
2597
1.980
2985
1.190
2156
1.590
2607
1.990
2994
1.200
2169
1.600
2617
2.000
3003
1.210
2181
1.610
2628
2.010
3012
1.220
2193
1.620
2638
2.020
3021
1.230
2205
1.630
2648
2.030
3030
1.240
2217
1.640
2658
2.040
3039
1.250
2229
1.650
2668
2.050
3048
1.260
2241
1.660
2678
2.060
3057
1.270
2253
1.670
2689
2.070
3066
1.280
2265
1.680
2699
2.080
3075
1.290
2277
1.690
2709
2.090
3084
1.300
2289
1.700
2719
2.100
3093
1.310
2300
1.710
2728
2.110
3102
1.320
2312
1.720
2738
2.120
3110
1.330
2323
1.730
2748
2.130
3119
1.340
2335
1.740
2758
2.140
3128
1.350
2346
1.750
2768
2.150
3137
1.360
2358
1.760
2778
2.160
3145
1.370
2369
1.770
2787
2.170
3154
1.380
2380
1.780
2797
2.180
3163
1.390
2392
1.790
2807
2.190
3171
1.400
2403
1.800
2816
2.200
3180
1.410
2414
1.810
2826
2.210
3188
1.420
2425
1.820
2836
2.220
3197
1.430
2436
1.830
2845
2.230
3206
1.440
2447
1.840
2855
2.240
3214
2.450
2458
1.850
2864
2.250
3223
2.460
2469
1.860
2874
2.260
3231
33
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