MIL-T-62357 Trailers, Tank: Potable Water And General Purpose, 500 Gallon, Two And Four-Wheel, Modified CommercialThis specification covers 500 gallon capacity, two-wheel and four-wheel wagon type tank trailers for hauling and dispensing liquids see 6.1 and 6.3. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in procurement documents.

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MIL-T-62357A

3.8.3 Discharge hose. A 3-inch nominal diameter hose for coupling to the discharge faucet specified in 3.8.2 shall be provided. The hose shall be provided with cam lock fittings. A dust cap shall be provided at the male end and a dust plug at the female end. The length of the hose

shall be not less than 15 feet. The hose shall be compatible for use with water, diesel fuel, and oil. The hose shall be stowed on the work platform or on brackets on the side of the tank provided the overall width of the vehicle is not increased to more than 96 inches.

* 3.8.4 Fire extinguisher compartment. A protected, open-faced compartment for a 10-pound dry chemical fire extinguisher, conforming to A-A-393, type II, class 2, size 10, shall be provided behind the right (curb side) fender. The interior of the compartment shall be painted a contrasting color. Quick-release type securing devices for the fire extinguisher shall be provided.

3.8.5 Ground cable reel. Unless otherwise specified (see 6.2), a ground cable reel shall be installed in a location that will permit an easy withdrawal and recovery of the grounding wire. The cable reel shall contain a ratchet for retaining the ground cable in any extended position so

that tension is not maintained on the ground cable. The reel shall have an outlet guide. The wire shall be approximately 25 feet long. The wire shall be No. 12 stranded copper, or 0.094 inch diameter 7x7 stainless or galvanized steel, single conductor, petroleum resistant, rubber or nylon covered, plus Y ends 10 feet long. The Y ends shall be equipped with clamp connectors for grounding the trailer to ground and the trailer to the unit being serviced. The clamp connectors shall conform to MIL-C-83413, part number M83413. The free end of the cable shall be provided with an elastomeric bumper (ball). The ground cable reel shall be provided with an elastomeric bumper (ball). The ground cable reel shall be located on the right (curb) side. The ground cable reel mounting surfaces shall be free of paint and contamination, and shall be securely mounted to prevent the cable reel assembly from being pulled away from its mountings. A warning plate shall be attached to the cable reel stating: "WALK GROUNDING CABLE BACK TO THE REEL."

3.9 Plumbing system and engine driven pump. When specified (see 6.2), a plumbing system with an engine driven pump, together with associated hoses, faucets, valves and accessories, shall be furnished in addition to the equipment specified in 3.7 through 3.7.7 for type I and 3.8 through

3.8.5 for type II.

3.9.1 Plumbing system, type I. The plumbing system on type I shall provide for:

(a) Gravity discharge through the main shutoff valve and a gravity discharge faucet (3-inch) located at the front of the trailer. A cam lock fitting and a dust cap or dust plug, complete with security chain or cable, shall be provided for the 3-inch gravity discharge faucet.