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|  MIL-P-45969B (AR)
REQUIREMENTS
3.
3.1 Specification sheets. The individual item requirements
shall be specified herein and in accordance with the applicable MS
sheets. In the event of any conflict between requirements of this
specification and the MS sheets, the latter shall govern.
3.2 First article. Requirements for submission of First Article
shall be as specified in the contract (see 6.2). Unless otherwise
specified (see 6.2), the First Article shall include the pilot pack
(see 5.1).
3.3 Material, construction and design. The Power Supply,
Hydraulic and Electric, Portable, referred to herein as the power
supply, shall conform to the material, construction and design
requirements specified herein and on Drawing A5910821 and drawings
pertaining thereto.
3.4 Performance. The power supply shall provide, as a minimum,
a hydraulic fluid flow of O to 3.5 gallons per minute as a pressure of
O to 1500 pounds per square inch gage. The DC power supply shall
provide, as a minimum, 26 to 30 volts variable, regulated to
percent at the power supply at a current load of O to 40 amperes. The
internal battery charging circuit shall provide a charging current of
7-13 ampere monitored on a control panel mounted meter. External
battery charging shall be available but shall not be current limited.
There shall be no degradation of performance while operating under the
following conditions:
a.
Operating temperatures ranging from O deg. to +125 deg.F.
b.
Operation at pressure altitudes from sea level to 6,000
feet at a temperature range of O deg. to 125 deg. F.
c.
A relative humidity of 95 to 100 percent at an operating
temperature of 125 deg. F with the power supply and
distribution box control panels exposed and connected for
operation as specified in 3.17.
d.
Exposure to salt sea atmosphere as specified In MIL-STD-
810, Method 509, with the power supply and distribution
box control panels exposed and the unit connected for
operation as specified in 3.17.
3.4.1 Storage temperatures. The power supply shall be capable
of withstanding storage temperatures ranging from -65 deg. to +160
deg. F.
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