MIL-DTL-46118E(MR)
APPENDIX A
TABLE A-III.
Minimum required ballistic limits
(protection at 0o obliquity) - Continued.
Caliber .50 AP, M2 projectile
Thickness
Required
Thickness
Required
Thickness
Required
(inch)
BL(P) fps
(inch)
BL(P) fps
(inch)
BL(P) fps
2.245
2436
2.505
2591
2.765
2737
2.250
2439
2.510
2594
2.770
2740
2.255
2442
2.515
2597
2.775
2743
2.260
2445
2.520
2600
2.780
2746
2.265
2448
2.525
2603
2.785
2748
2.270
2451
2.530
2606
2.790
2751
2.275
2455
2.535
2608
2.795
2754
2.280
2458
2.540
2611
2.800
2756
2.285
2461
2.545
2614
2.805
2759
2.290
2464
2.550
2617
2.810
2762
2.295
2467
2.555
2620
2.815
2765
2.300
2470
2.560
2623
2.820
2767
2.305
2473
2.565
2626
2.825
2770
2.310
2476
2.570
2628
2.830
2773
2.315
2479
2.575
2631
2.835
2775
2.320
2482
2.580
2634
2.840
2778
2.325
2485
2.585
2637
2.845
2781
2.330
2488
2.590
2640
2.850
2784
2.335
2491
2.595
2643
2.855
2786
2.340
2494
2.600
2646
2.860
2789
2.345
2497
2.605
2648
2.865
2792
2.350
2500
2.610
2651
2.870
2794
2.355
2503
2.615
2654
2.875
2797
2.360
2506
2.620
2657
2.880
2800
2.365
2509
2.625
2660
2.885
2802
2.370
2512
2.630
2662
2.890
2805
2.375
2515
2.635
2665
2.895
2808
2.380
2518
2.640
2668
2.900
2810
2.385
2521
2.645
2671
2.905
2813
2.390
2524
2.650
2674
2.910
2816
2.395
2527
2.655
2676
2.915
2818
2.400
2530
2.660
2679
2.920
2821
2.405
2533
2.665
2682
2.925
2824
2.410
2536
2.670
2685
2.930
2826
2.415
2539
2.675
2688
2.935
2829
2.420
2542
2.680
2690
2.940
2832
2.425
2544
2.685
2693
2.945
2834
2.430
2547
2.690
2696
2.950
2837
2.435
2550
2.695
2699
2.955
2839
2.440
2553
2.700
2702
2.960
2842
2.445
2556
2.705
2704
2.965
2845
2.450
2559
2.710
2707
2.970
2847
2.455
2562
2.715
2710
2.975
2850
2.460
2565
2.720
2713
2.980
2853
2.465
2568
2.725
2715
2.985
2855
2.470
2571
2.730
2718
2.990
2858
2.475
2574
2.735
2721
2.995
2861
2.480
2577
2.740
2724
** 3.000
2863
2.485
2580
2.745
2726
2.490
2582
2.750
2729
2.495
2585
2.755
2732
2.500
2588
2.760
2735
______________________________________________________________________________
*
Specification requirements begin for this ordered thickness.
** Specification requirements end for this ordered thickness.
Note: Tabulated values on either side of the specification requirements are for
interpolation of BL(P) requirements on undersize or oversize plates.
19
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