MIL-S-62127 Semitrailer, Compressed Gas Cylinder: Helium, CommercialThis specification covers a commercial semitrailer for storing, transporting, and charging compressed helium gas. The tandem axle semitrailer mounts 38 cylinders having a combined water capacity of not less than 340 cubic feet and a design working pressure of at least 2400 pounds per square inch gage psig. Semitrailer procured under this specification are commercial items which shall be warranted as specified in the procurement documents.

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MIL-S-62127A(AT)

* 4.3.6 Electrical test. An electrical test shall be conducted on the first production vehicle to determine that all vehicle lights are functioning. In addition, when an interconnected 24-volt system is furnished (see 3.7.2.1), the circuits of the 12-contact receptacle shall be energized with not less than 28 volts dc regulated voltage for a time sufficient to stabilize the temperature of the resistor assembly for not less than 30 minutes in an ambient temperature of not less than 77 F. After the test the resistor assembly, including resistors, wiring and adjacent components, shall be examined for evidence of overheating, deterioration or damage.

* 4.3.7 Availability of documents. The contractor shall make available to the Government at the point of final acceptance a current copy of the documents listed in 2.2. The documents

shall be surrendered to the Government for the personal use of the Government representatives in conjunction with the contract for the duration of the contract.

4.3.8 Production sample. Upon acceptance of the first production vehicle, it shall remain at the manufacturing facility as a production sample, and be the last vehicle shipped on the contract. The manufacturer shall maintain the vehicle in a serviceable condition for the duration of the contract.

4.3.9 Failure. Failure of the first production vehicle to meet requirements of the contract shall be cause for the Government to refuse acceptance of the vehicle until corrective action has been taken.

* 4.4 Inspection of production vehicles. The contractor's inspection system shall, as a minimum, assure that the vehicle conforms to the physical and dimensional requirements and is capable of meeting performance requirements contained herein. All semitrailers under contract shall be tested as specified in 4.3.3 through 4.3.6. For each vehicle under contract, the contractor shall make available to the Government, at the point of final acceptance, records acceptable to

the Government indicating that the servicing and adjusting required by 3.11 have been

accomplished.

5. PACKAGING

5.1 Vehicle processing. The vehicle shall be processed for shipment, from the manufacturer's plant to the initial receiving activity, in accordance with the manufacturer's standard commercial practice.