What is the minimum marking on an ordnance packing box?

A unique number, the lot, the permitted stack height and orientation marks. The first two support traceability.

Can a tape seal replace a security seal?

Not on its own. Tape shows a box was opened; a numbered seal shows where. Most operations use both.

Should the stack limit for an ordnance packing box come from box strength or pallet capacity?

Take the lower of the two and check it against the longest storage period. Short and long storage do not allow the same layer count.

How should a worn mark be restored?

By data type. A lost number is re-marked against the register; a lost consignee is a label swap. Restore it in place. ---

Ordnance Packing Box Marking and Transport Requirements

Quick answer: An ordnance packing box must identify itself, show it was closed, and stay put in a vehicle. Marking answers what the box is, which lot it belongs to and whether it may be stacked; the closure shows whether it has been opened; the restraint keeps it from shifting. All three follow one rule: never put critical data where a strap, seal or stacked face will cover it.

Ordnance packing box marks: what they do and how they are built
Box-face marking: number, lot, stack limit and orientation
Closures and tamper evidence: seal seats and tape seals
Transport restraint: pallets, strapping and stack limits
Durability and replaceable marking design
FAQ

1. Ordnance packing box marks: what they do and how they are built

A mark on an ordnance packing box is not decoration but the information layer that lets the box be identified, traced and handled without an explanation. It has four parts.

A military-green packing box upright, a blank label card in the moulded recess

Fixed data: number, lot, gross weight and dimensions, printed on the shell;
Variable data: consignee, destination and dispatch date, held in a label pocket;
Handling symbols: this way up, keep dry, stack limit, centre of gravity;
Closure reference: seal number, paired with the box number.

The box is a lid, a body, a stepped lip and latches; the lip locates, the latches clamp, and both rub on every open and close, so marks stay clear of them. The foam inside answers a different question: which cavity holds what.

2. Box-face marking: number, lot, stack limit and orientation

An ordnance packing box carries unique data on the face least likely to be covered, and changeable data where it can be swapped fastest.

Two draw latches on a military-green box, keeper plates riveted to the body, a narrow gap for a seal tag

Item	Content	Position
Number	Unique code with serial	End face centre
Lot	Lot code and build month	Under the number
Stack	A set layer count	Top corner, aisle side
Orientation	Up arrows and centre line	Both opposite faces

The number on an ordnance packing box also has to match the internal layout. Tray cavities are physical positions, and whole-box marking loses that reference once the box is repacked.

Stack and orientation are usually written as adjectives. A layer count needs a figure, and arrows belong on two opposite faces, because a box can be turned inside a vehicle.

3. Closures and tamper evidence: seal seats and tape seals

Closure on an ordnance packing box answers a separate question: was it fully closed, and has it been opened since. There are three layers, and none substitutes for another.

Structural closure: lid on the stepped lip, latches clamping. Latches give force, not tamper resistance.
Tape seal: across the lid seam, one end on the lid and one on the body, breaking when pulled.
Numbered seal: through a latch or seal hole, logged against the box number at handover.

Three military-green boxes on a timber pallet, two black straps over the lids and under the base

Seal seats must stay exposed after stacking. Neighbouring faces press together, and a seal on one of them rubs through, leaving an ordnance packing box that looks opened. A seal hole also needs a raised boss, or a thin wall tears.

4. Transport restraint: pallets, strapping and stack limits

Restraint on an ordnance packing box limits sliding, tipping and bouncing. Pallets, straps and blocking interact, so the order of decisions matters.

White case front: all-plastic latches and a folding handle folded flat

Pallet fit: footprint on the pallet module, slight mid-span overhang, no corner overhang;
Strapping: over flat panels, protectors at the lid seam, clear of handles;
Stack limit: layer count from the static rating, checked against exposed seal faces;
Blocking: chocks or void fillers so the box cannot run forward under braking.

Seal seats and tie-down points compete for the same panel. Decide the seal first and route straps around it. Fold handles flat, since a raised handle concentrates load and forms a point contact above.

5. Durability and replaceable marking design

Durability of the marking depends on printing method, surface finish and the face used.

Method	Durability	Replaceable	Suitable data
Screen printing	High	No	Number, symbols
Adhesive label	Moderate	Yes	Lot, consignee
Card pocket	Low	Anytime	One-off data

One test: will the data change with the shipment. Changeable data goes in a pocket; fixed data is printed into the shell. Printing changeable data permanently causes most rework.

Fixed and variable data occupy separate areas
Box number shares one code with cavity numbers
Stack marking gives a figure, not an adjective
Seals sit on faces still exposed after stacking

Conclusion

Work an ordnance packing box in this order: split the marking area by whether the data changes, place closure hardware by the way the lid opens, route straps and stacks around both, then check durability and layer count. Reverse it and the result is a seal on a mating face and a strap over a handle.

This article covers container-side specifications and design implications only.