MIL-DTL-62034G(AT)
3.4.10 Van bodies, and refrigerator vans, waterproofness.
3.4.10.1 Panel joints and doorseals, waterproofness. The semitrailer body, doors, and all
components shall be waterproof to prevent entrance of water due to rain, melting snow, road
splash or other causes (see 4.5.13).
3.4.10.2 Semitrailer, van refrigerator (M349 series).
3.4.10.2.1 Refrigeration unit and body heat leakage. The refrigeration unit shall be
installed on the M349 series semitrailer. When installed and operating, the semitrailer
refrigerator body shall not lose more than 68 British thermal units (Btu) per hour [20 watts (W)]
per hour, per °C at a temperature differential of 52±2 °F (11±1 °C) (see 4.5.2 and 4.5.14).
3.4.10.2.2 Floorpan. Floorpan of the refrigerator body shall be leakproof (see 4.5.15).
3.4.11 Durability. The vehicle, with rated payload, shall possess not less than a
60% probability of completing a minimum of 6000 miles [9656 kilometers (km)] of operation in
accordance with the operational profile without replacement or overhaul of the principal
components or subassemblies. This shall include suspension, including springs, axles and
wheels, major brake components less brake shoes and common hardware; landing device;
leveling jacks; and frame and van/body compartments (see 4.5.16).
3.5 Marking and identification. Marking and identification shall be permanent and
legible, and shall include as a minimum, the manufacturer s identification, the National Stock
Number (NSN), and the Part or Identifying Number (PIN) (see 4.5.2 and 6.2).
3.6 Safety. Sharp edges and projecting points which are non-functional shall be rounded
or blunted. Fastener length shall be trimmed and not excessive. Boltholes shall have all burrs
removed. Where equipment access is necessary, non-skid platforms, footwalks, steps and
handholds of adequate number and strength shall be provided. Mud and stone throw protection
shall be provided in accordance with SAE J682. All pressure relief devices shall be directed
away from personnel relieving pressure and passers-by. All applicable FMVSS and FMCSR
standards, rules and regulations shall be incorporated into the trailer at the time of
manufacture. A front end structure shall be provided complying with 49CFR393.106. A rear
end underride protection structure shall be provided complying with 49CFR393.86 (see 4.5.2).
3.6.1 Tiedowns. Tiedowns shall be provided in accordance with MIL-STD-209, type II,
class 2 (see 4.5.2).
3.7 Servicing and adjustment. Semitrailer shall be adjusted for immediate operation and
shall be serviced for climatic conditions at the delivery point. Servicing shall be compatible with
processing for shipment as specified by the procuring activity (see 4.5.2).
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