overwing aircraft semitrailer. These semitrailers travel over primary and secondary roads and over limited cross-country terrain.

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MIL-DTL-62180F(AT)

3.4.8.3 Automatic bottom loading system. The automatic bottom-loading system,

capable of receiving fuel from an outside pump source, shall be adjusted to automatically shut

off flow of fuel into the tank when the fuel in the tank reaches the full rated capacity minus

100 gallons. This automatic shut off system shall utilize an optical type of device to sense the

fuel level in the tanker. The automatic bottom loading/unloading ports and all associated

controls shall be located on the driver s side of the semitrailer tanker (see 4.5.26.16).

3.5 Painting, marking, and identification plates.

3.5.1 Painting. Unless otherwise specified (see 6.2), all semitrailer exterior surfaces

shall be cleaned, treated, primed, and painted with Chemical Agent Resistant Coating (CARC) in

accordance with MIL-DTL-53039 or MIL-DTL-64159 with the exception of stainless steel.

Stainless steel surfaces shall be cleaned and abrasive blasted to a 0.5 mil minimum surface

profile. The surfaces shall be primed within 24 hours after abrasive blasting. Painting and

marking shall be per Drawing 12355846, along with painting requirements on components.

Unless otherwise specified (see 6.2), color shall conform to green 383, # 34094 of

FED-STD-595. After application of the final film of paint, the painted surface shall conform to

the following (see 4.5.27.1).

a. Painted surfaces shall be smooth and uniform and shall be free from grit, streaks,

running, sagging, wrinkles, pin holes, craters, and free of nonuniformity of specified

color.

b. Dividing line between markings and regular exterior paint shall be sharp and clear.

c. Vehicle exterior surfaces shall be cleaned, treated, primed, and painted to include the

following:

1. All metal surfaces under the electrical harness, brake air lines, reflectors, and

marker/clearance lights.

2. Surface(s) between the vehicle body landing gear leg assembly and the vehicle

body undercarriage frame; the surface between the semitrailer dolly frame and the

vehicle body undercarriage frame and all cabinets or other bolted components.

3. All metal exterior surfaces of vehicle miscellaneous equipment, etc. (except

fusible vent).

4. All exterior mating surfaces/joints/seams that are bolted/riveted/ fastened together

and are located outside the vehicle body.

d. Surfaces of the following shall not be painted over:

1. Rubber items (including tires, seals, hoses, etc.).

2. Electrical grounding surfaces.

3. Lenses (including clearance light lens, taillight lens, etc.).

4. Data and instruction plates.

5. Stencil markings.

6. Mating surfaces of fittings.

7. Vent valve areas.