MIL-DTL-46714 Semitrailer Van: Electronic, Tactical, 6-Ton, 2-Wheel, M373A2This specification covers the M373A2 van semitrailer, which is a 6-ton, tactical, 2-wheel, van-type semitrailer having an interior length of 30 feet \(ft\). The semitrailer is primarily used to transport and house electronic processing equipment over all types of roads and limited cross-country terrain and under extreme climatic conditions. These mobile shelters are also used as maintenance shops and command posts \(see 6.1\).

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MIL-DTL-46714E(AT)

4.5.6 Life cycle.

4.5.6.1 Durability verification. To determine conformance to 3.4.8.1 and 3.4.8.2, the

durability requirement shall be verified at 50% confidence level by subjecting each of two vehicles

to 6000 mile test in 4.5.6.2.

4.5.6.2 Maintainability verification. To determine conformance to 3.4.8.3, maintainability

requirements of the test vehicle shall be verified during 6000 mile initial production test over

terrain and mileage specified in table IV. Maintainability of the test vehicle shall meet specified

scheduled and unscheduled maintenance manhours at required maintenance intervals.

Maintenance operations will be performed by the Government at a Government approved test

site.

TABLE IV. 6000-mile test, loaded with 12 000 lbs rated payload.

Course

Mileage and speeds

Hard-surfaced (paved) roads

2400 miles at variable speeds up to 55 mph

Gravel and dirt roads

1620 miles at variable speeds up to 30 mph

Level cross-country (unimproved) terrain

1500 miles at variable speeds up to 30 mph

Hilly cross-country

360 miles at variable speeds up to 30 mph

Belgian block

120 miles at variable speeds up to 20 mph

20% side slope and 20% longitudinal slope

400 ft total at variable speeds up to 5 mph

4.5.7 Transportability provisions. To determine conformance to 3.3.1 through 3.3.2.1,

the semitrailer shall be inspected for agreement with the transportability criteria defined in

MIL-STD-209 and MIL-STD-1366. The semitrailer shall be inspected for adequacy of lifting and

tiedown provisions, instructions for components removal and tiedown of those removed

components when required for transport, and the design rating (see 3.3.2 and 3.3.2.1).

5. PACKAGING

5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified

in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD

personnel, these personnel need to contact the responsible packaging activity to ascertain requisite

packaging requirements. Packaging requirements are maintained by the Inventory Control Point's

packaging activity within the Military Department or Defense Agency, or within the Military

Department's System Command. Packaging data retrieval is available from the managing Military

Department's or Defense Agency's automated packaging files, CD-ROM products, or by

contacting the responsible packaging activity.