MIL-DTL-45225F(MR)
Minimum ballistic limits (protection at 0o obliquity) for
TABLE VI.
type I, class A material using 20 mm FSP.1/
Thickness,
Required
Thickness,
Required
Thickness,
Required
inches
BL(P)fps
inches
BL(P)fps
inches
BL(P)fps
1.031
1324
2/ 1.101
1468
1.485
2235
1.625
2534
1.350
1979
1.490
2245
1.630
2545
1.355
1988
1.495
2256
1.635
2556
1.360
1997
1.500
2266
1.640
2568
1.365
2006
1.505
2276
1.645
2579
1.370
2016
1.510
2286
1.650
2591
1.375
2025
1.515
2296
1.655
2602
1.380
2034
1.520
2307
1.660
2614
1.385
2043
1.525
2317
1.665
2626
1.390
2052
1.530
2327
1.670
2637
1.395
2062
1.535
2338
1.675
2649
1.400
2071
1.540
2348
1.680
2661
1.405
2080
1.545
2359
1.685
2673
1.410
2090
1.550
2370
1.690
2685
1.415
2099
1.555
2380
1.695
2697
3/1.700
1.420
2108
1.560
2391
2709
1.425
2118
1.565
2402
1.705
2721
1.430
2128
1.570
2412
1.710
2733
1.435
2137
1.575
2423
1.715
2745
1.440
2147
1.580
2434
1.720
2757
1.445
2156
1.585
2445
1.725
2770
1.450
2166
1.590
2456
1.730
2782
1.455
2176
1.595
2467
1.735
2794
1.460
2186
1.600
2478
1.740
2807
1.465
2196
1.605
2489
1.745
2819
1.470
2205
1.610
2500
1.750
2832
1.475
2215
1.615
2511
1.480
2225
1.620
2522
_________________________________________________________________________________
1/ FSP denotes fragment simulating projectile.
2/
Spec. requirements for this test start at ordered thickness of 1.101 inches.
Interpolation is done to determine the requirement for thickness between
1.031 and 1.350 inches.
3/
Spec. requirements for this test end at ordered thickness of 1.700 inches.
NOTE:
Numbers above (see footnote 3/) are requirements for oversize forgings.
14
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