AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19H/ DLAI 4145.3
11 DECEMBER 2001
classification issued according to A188.8.131.52. The EX number is an explosive classification approval number,
it is not the same as a DOT-Exemption number.
Mark packages of explosives containing liquids on the top with words "THIS SIDE UP."
When explosives are installed according to A5.3, mark the following statement near each explosive device:
"WARNING - EXPLOSIVE DEVICE EMBEDDED IN ***" (*** identifies location of device; i.e.,
window, door, frame, etc).
Explosives authorized by this manual to be shipped unpacked, must display the PSN and UN number. That
marking may be on the item, its cradle, or handling, storage, or launching device. This marking is not
required for items hand-carried (see 3.4.2), unpackaged for airdrop (see A5.4.1), or secured in a tactical
vehicle or equipment (see A5.4.2).
For palletized unit loads, a marking board may be used when positioning of marking on individual
containers prevents the PSN or UN number from being visible. A marking board may also be used to
identify current PSN and UN number for those items "Grandfathered" according to paragraph 1.7.2 with
individual packages marked with hazard communication information no longer in table A4.1. As a
minimum, position two marking boards at opposite sides of the pallet.
A14.4.2. Class 2.
For ethylene oxide prepared and certified according to A6.13.4, mark the top head of the drum "THIS END
Mark fire extinguishers prepared and certified according to A6.8.3 to indicate year of test and "MEETS
DOT REQUIREMENTS." The words "This extinguisher meets all requirements of 49 CFR 173.306" may
be displayed in place of "MEETS DOT REQUIREMENTS" on extinguishers manufactured before January
Each outside container of cryogenic liquids prepared and certified according to A6.11 must have arrows to
indicate upright position and must be marked "KEEP UPRIGHT" and "DO NOT DROP." Hydrogen,
cryogenic liquid must meet the marking requirements in 49 CFR 178.57-20. The total rate of venting in
standard cubic feet per hour (SCFH) must be marked on the top head or valve protection band in letters at
least one-half inch high as follows "VENT RATE**SCFH" (with the asterisks replaced by the number
representing the total rate of venting, in SCFH).
For nitric oxide prepared and certified according to A6.20 and the DOT 3A, 3AA, 3AL, or 3E1800
cylinders are overpacked, mark the outer wooden box "INSIDE CONTAINERS COMPLY WITH
For compressed gases prepared and certified according to A6.3, mark the outside packaging "INSIDE
CONTAINERS COMPLY WITH PRESCRIBED SPECIFICATIONS".
Refrigerant gases or engine-starting fluid prepared and certified according to A6.5.5 and A6.5.6, mark the
A14.4.3. Class 3. When shipping flammable liquids, mark the shipping container with the flash point.
A14.4.4. Class 5. For bromine pentafluoride or bromine trifluoride prepared and certified according to A9.11 using
a DOT 3E1800 cylinder, mark the outside container "INSIDE CONTAINERS COMPLY WITH PRESCRIBED
A14.4.5. Class 6.
Permanently mark outside plastic containers used for toxic (poisonous materials), by embossment or other
durable means, with the word "POISON" in letters of at least 6.3 mm (1/4 inch) in height. Additional text
or symbols may be included in the marking. The marking must be located within 15 cm (6 inches) of the
Mark the packages of infectious substances with:
The United Nations packaging symbol
The text CLASS 6.2
The last two digits of the year of manufacture of the packaging
The State authorizing the allocation of the mark (i.e., USA)
The name or registered symbol of the manufacturer
A14.4.6. Class 7.
Mark each package of radioactive materials over 50 kg (110 pounds) to show the gross weight.