MIL-DTL-32505
APPENDIX B
TABLE B-V. Minimum required ballistic limits - caliber .50 AP
M2 projectiles at 0° obliquity (continued).
Required
Required
Required
Thickness,
Thickness,
Thickness,
BL(P), fps
BL(P), fps
BL(P), fps
inches
inches
inches
Class I Class II
Class I Class II
Class I Class II
2.005
2389
TBD
2.180
2509
TBD
2.355
2625
TBD
2.010
2392
TBD
2.185
2512
TBD
2.360
2628
TBD
2.015
2396
TBD
2.190
2516
TBD
2.365
2631
TBD
2.020
2399
TBD
2.195
2519
TBD
2.370
2635
TBD
2.025
2403
TBD
2.200
2522
TBD
2.375
2638
TBD
2.030
2406
TBD
2.205
2526
TBD
2.380
2641
TBD
2.035
2410
TBD
2.210
2529
TBD
2.385
2644
TBD
2.040
2413
TBD
2.215
2532
TBD
2.390
2648
TBD
2.045
2417
TBD
2.220
2536
TBD
2.395
2651
TBD
2.050
2420
TBD
2.225
2539
TBD
2.400
2654
TBD
2.055
2424
TBD
2.230
2542
TBD
2.405
2657
TBD
2.060
2427
TBD
2.235
2546
TBD
2.410
2661
TBD
2.065
2430
TBD
2.240
2549
TBD
2.415
2664
TBD
2.070
2434
TBD
2.245
2552
TBD
2.420
2667
TBD
2.075
2437
TBD
2.250
2556
TBD
2.425
2670
TBD
2.080
2441
TBD
2.255
2559
TBD
2.430
2674
TBD
2.085
2444
TBD
2.260
2562
TBD
2.435
2677
TBD
2.090
2448
TBD
2.265
2566
TBD
2.440
2680
TBD
2.095
2451
TBD
2.270
2569
TBD
2.445
2683
TBD
2.100
2454
TBD
2.275
2572
TBD
2.450
2686
TBD
2.105
2458
TBD
2.280
2576
TBD
2.455
2690
TBD
2.110
2461
TBD
2.285
2579
TBD
2.460
2693
TBD
2.115
2465
TBD
2.290
2582
TBD
2.465
2696
TBD
2.120
2468
TBD
2.295
2585
TBD
2.470
2699
TBD
2.125
2472
TBD
2.300
2589
TBD
2.475
2702
TBD
2.130
2475
TBD
2.305
2592
TBD
2.480
2706
TBD
2.135
2478
TBD
2.310
2592
TBD
2.485
2709
TBD
2.140
2482
TBD
2.315
2599
TBD
2.490
2712
TBD
2.145
2485
TBD
2.320
2602
TBD
2.495
2715
TBD
2.500 2/
2.150
2489
TBD
2.325
2605
TBD
2718
TBD
2.155
2492
TBD
2.330
2609
TBD
2.505
2722
TBD
2.160
2495
TBD
2.335
2612
TBD
2.510
2725
TBD
2.165
2499
TBD
2.340
2615
TBD
2.515
2728
TBD
2.170
2502
TBD
2.345
2618
TBD
2.520
2731
TBD
2.175
2505
TBD
2.350
2622
TBD
2.525
2734
TBD
2/
Specification requirements end for this ordered thickness
Note: Tabulated values on either side of the ordered thicknesses are for interpolation
of BL(P) requirements on undersize or oversize plates.
25
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