MIL-DTL-46083D(MR)
APPENDIX A
TABLE A-III.
Minimum required ballistic limits for class I armor extrusions
(protection at 0° obliquity) - caliber .50 FSP projectile.
____________________________________________________
Thickness
Required
Thickness
Required
Inches
BL(P), fps
Inches
BL(P), fps
0.700
1578
0.870
2140
0.705
1592
0.875
2160
0.710
1607
0.880
2179
0.715
1621
0.885
2198
0.720
1636
0.890
2218
0.725
1651
0.895
2238
0.730
1666
0.900
2258
0.735
1681
0.905
2278
0.740
1696
0.910
2298
0.745
1711
0.915
2318
1/0.750
1727
0.920
2339
0.755
1742
0.925
2360
0.760
1758
0.930
2381
0.765
1774
0.935
2402
0.770
1790
0.940
2423
0.775
1806
0.945
2445
0.780
1823
0.950
2466
0.785
1839
0.955
2488
0.790
1856
0.960
2510
0.795
1872
0.965
2532
0.800
1889
0.970
2555
0.805
1906
0.975
2577
0.810
1923
0.980
2600
0.815
1941
0.985
2623
0.820
1958
0.990
2646
0.825
1975
0.995
2670
2/1.000
0.830
1993
2693
0.835
2011
1.005
2717
0.840
2029
1.010
2741
0.845
2047
1.015
2765
0.850
2066
1.020
2790
0.855
2084
1.025
2814
0.860
2103
1.030
2839
0.865
2121
____________________________________________________
1/
Specification requirements begin with this ordered thickness.
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.
17
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