MIL-DTL-62180F(AT)
3. Material: Class 1. Aluminum alloys UNS A03560-T6, A07120-T5 or A07130-T5
per ASTM B26/ B26M.
4. Finish: Coatings. Finish coatings shall be treated aluminum, or aluminum alloys,
treated electrolytically in a bath containing sulfuric acid or equivalent to produce a
uniform anodic coating on the metal surface. Heat treatable alloys shall be tempered
by heat treatment, such as -T4, -T6, or T73, or equivalent prior to anodizing.
5. Anodic coating. When specified in the contract or purchase order (see 6.2), the
anodic coating shall not be dyed or pigmented. Any natural coloration resulting from
anodic treatment with the various alloy compositions shall not be considered
coloration. The characteristic color imparted by the sealing process shall also be
considered as non-dyed.
6. Weight of coating. Prior to sealing, coatings shall meet the coating weight minimum
of 1000 milligrams per square foot (mg/ft2).
7. Sealing. When specified (see 6.2), sealing shall be accomplished by immersion in a
sealing medium such as a 5 percent aqueous solution of sodium or potassium
dichromate (pH 5.0 to 6.0) for 15 minutes at 194 to 212 °F (90 to 100 °C), in boiling
deionized water, cobalt or nickel acetate, or other suitable chemical solutions.
8. Identification marking. The couplings shall be legibly marked by casting,
die-stamping, embossing, or stenciling. The marking shall include the manufacturer s
identification and size.
9. Threads. National tapered pipe thread per ASME B1.20.1.
10. Hydrostatic test pressure. 300 psig.
11. Working pressure. 150 psi.
12. Certain provisions (dimensions) of this document are the subject of International
Standardization agreement. Prior to revision or cancellation of this adapter. The
Preparing Activity shall take appropriate action through International Standardization
channels.
FIGURE 1. Adapter - Continued.
3.3.2 Tanker configuration. The automotive fuel tanker shall be equipped with a
self-priming pump assembly, filter separator assembly and dispensing assembly for automotive
fuels. Similarly, the aircraft fuel tanker shall be equipped with a self-priming pump assembly,
filter separator assembly, recirculation assembly, and dispensing assembly for
underwing/overwing aircraft fuel (see 4.5.1 and 4.5.2).
3.3.2.1 National Fire Protection Association (NFPA) Standards. The bulkhaul and
automotive semitrailers shall meet the requirements of NFPA Standard No. 385. The aircraft
fuel servicing semitrailers shall meet the requirements of NFPA Standard No. 407.
3.3.3 Dimensional limitations. (With semitrailer on level ground on landing legs)
(see 4.5.3).
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