MIL-DTL-46083D(MR)
APPENDIX A
TABLE A-I.
Minimum required ballistic limits for class I armor extrusions
(protection at 0° obliquity) - caliber .30 AP M2 projectile - Continued.
_______________________________________________________________________________
Thickness
Required
Thickness
Required
Thickness
Required
Inches
BL(P), fps
Inches
BL(P), fps
Inches
BL(P), fps
1.615
2407
1.755
2528
1.895
2644
1.620
2411
1.760
2532
1.900
2648
1.625
2416
1.765
2536
1.905
2652
1.630
2420
1.770
2540
1.910
2656
1.635
2424
1.775
2545
1.915
2660
1.640
2429
1.780
2549
1.920
2664
1.645
2433
1.785
2553
1.925
2668
1.650
2438
1.790
2557
1.930
2672
1.655
2442
1.795
2561
1.935
2676
1.660
2446
1.800
2566
1.940
2680
1.665
2451
1.805
2570
1.945
2684
1.670
2455
1.810
2574
1.950
2688
1.675
2459
1.815
2578
1.955
2692
1.680
2464
1.820
2582
1.960
2696
1.685
2468
1.825
2586
1.965
2700
1.690
2472
1.830
2590
1.970
2704
1.695
2477
1.835
2595
1.975
2708
1.700
2481
1.840
2599
1.980
2712
1.705
2485
1.845
2603
1.985
2715
1.710
2490
1.850
2607
1.990
2719
1.715
2494
1.855
2611
1.995
2723
2/2.000
1.720
2498
1.860
2615
2727
1.725
2502
1.865
2619
2.005
2731
1.730
2507
1.870
2623
2.010
2735
1.735
2511
1.875
2627
2.015
2739
1.740
2515
1.880
2631
2.020
2743
1.745
2519
1.885
2635
2.025
2747
1.750
2524
1.890
2640
2.030
2751
______________________________________________________________________________
1/
Specification requirements begin with 1.001 inch ordered thickness.
Required BL(P) = 1785 fps.
2/
Specification requirements end with 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.
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