MIL-DTL-46118E(MR)
APPENDIX A
TABLE A-IV.
Minimum required ballistic limits
(protection at 0o obliquity).
14.5 mm API, BS 41 projectile
Thickness
Required
Thickness
Required
Thickness
Required
(inch)
BL(P) fps
(inch)
BL(P) fps
(inch)
BL(P) fps
2.900
2655
3.075
2774
3.250
2890
2.905
2659
3.080
2778
3.255
2894
2.910
2662
3.085
2781
3.260
2897
2.915
2666
3.090
2784
3.265
2900
2.920
2669
3.095
2788
3.270
2904
2.925
2673
3.100
2791
3.275
2907
2.930
2676
3.105
2794
3.280
2910
2.935
2680
3.110
2797
3.285
2914
2.940
2683
3.115
2801
3.290
2917
2.945
2687
3.120
2804
3.295
2920
2.950
2690
3.125
2807
3.300
2924
2.955
2694
3.130
2811
3.305
2927
2.960
2697
3.135
2814
3.310
2930
2.965
2701
3.140
2817
3.315
2934
2.970
2704
3.145
2821
3.320
2937
2.975
2708
3.150
2824
3.325
2940
2.980
2711
3.155
2827
3.330
2944
2.985
2715
3.160
2830
3.335
2947
2.990
2718
3.165
2834
3.340
2950
2.995
2722
3.170
2837
3.345
2954
3.000
2725
3.175
2840
3.350
2957
3.005
2728
3.180
2844
3.355
2960
3.010
2731
3.185
2847
3.360
2964
3.015
2735
3.190
2850
3.365
2967
3.020
2738
3.195
2854
3.370
2970
3.025
2741
3.200
2857
3.375
2974
3.030
2745
3.205
2860
3.380
2977
3.035
2748
3.210
2864
3.385
2980
3.040
2751
3.215
2867
3.390
2984
3.045
2755
3.220
2870
3.395
2987
3.050
2758
3.225
2874
3.400
2990
3.055
2761
3.230
2877
3.405
2994
3.060
2764
3.235
2880
3.410
2997
3.065
2768
3.240
2884
3.415
3000
3.070
2771
3.245
2887
3.420
3004
3.425
3007
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