MIL-STD-1660 Ammunition Unit LoadsThis standard establishes minimum design criteria and associated tests for ammunition unit loads.

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MIL-STD-1660A

FIGURE                                                                                                                                                                     PAGE

1.  Optional rough handling course for forklift trucks .................................................................................................17

B-1.  Edgewise-drop (rotational) .................................................................................................................................24

C-1.  Cornerwise-drop (rotational) ..............................................................................................................................28

D-1.  Incline impact test ..............................................................................................................................................28

E-1.  Pendulum-impact test..........................................................................................................................................32

G-1.  Slings placed around specimen with load superimposed....................................................................................38

G-2.  Hoisting with sling attachment provisions .........................................................................................................39

G-3.  Hoisting with grabs ............................................................................................................................................40

TABLE                                                                                                                                                                        PAGE I.  Recommended unit load dimensions for transport and storage.................................................................................8

II.  Shock test for unit loads-at-sea ..............................................................................................................................14

B-I.  Height of rotational drops for unit loads of various sizes and weights................................................................23

C-I.  Height of cornerwise drops (rotational) for unit loads of various sizes and weights...........................................27

H-I.  Height of edgewise drops for unit load specimens of various sizes and weights................................................43

APPENDIX A  VIBRATION (REPETITIVE SHOCK) TEST...................................................................................19

A.1  SCOPE.................................................................................................................................................................19

A.1.1  Scope...........................................................................................................................................................19

A.2  DEFINITIONS ....................................................................................................................................................19

A.2.1  Shock...........................................................................................................................................................19

A.2.2  Vibration .....................................................................................................................................................19

A.3  APPARATUS......................................................................................................................................................19

A.3.1  Platform.......................................................................................................................................................19

A.3.2  Restraining devices .....................................................................................................................................19

A.4  SPECIMENS .......................................................................................................................................................19

A.4.1  Contents ......................................................................................................................................................19

A.4.1.1  Specimen condition ............................................................................................................................19

A.4.1.2  Dummy load.......................................................................................................................................19

A.5  CONDITIONING................................................................................................................................................20

A.5.1  Test specimen..............................................................................................................................................20

A.6  PROCEDURE......................................................................................................................................................20

A.6.1  Positioning ..................................................................................................................................................20

A.6.2  Restraining devices .....................................................................................................................................20

A.6.3  Frequency....................................................................................................................................................20

A.6.4  Additional positioning.................................................................................................................................20

A.6.5  Inspection....................................................................................................................................................20

APPENDIX B  EDGEWISE-DROP (ROTATIONAL) TEST....................................................................................21

B.1  SCOPE.................................................................................................................................................................21

B.1.1  Scope...........................................................................................................................................................21

B.2  DEFINITIONS.....................................................................................................................................................21

B.2.1  Level of packing..........................................................................................................................................21

B.2.1.1  Level A ...............................................................................................................................................21

B.2.1.2  Level B ...............................................................................................................................................21

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