MIL-DTL-4510F
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event
of a conflict between the text of this document and the references cited herein, the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and
regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article
inspection in accordance with 4.3.
3.2 Materials. Materials shall be the supplier's standard commercial material with such
changes as are necessary to meet the requirements of this specification.
3.2.1 Solder. Solder employed in making electrical connections shall be a rosin core
type conforming to compositions Sn50Pb50, Sn60Pb40 or Sn70Pb30 of J-STD-006.
3.2.2 Metal. The lamp housing shall be fabricated of metal.
3.2.2.1 Dissimilar metals. Dissimilar metals shall be treated as specified in 3.3.2.
3.2.3 Recycled, recovered, or environmentally preferable materials. Recycled,
recovered, or environmentally preferable materials should be used to the maximum extent
possible, provided that the material meets or exceeds the operational and maintenance
requirements, and promotes economically advantageous life cycle costs.
3.3 Design and construction. The spotlight shall be the manufacturer's standard item,
modified as required to meet the requirements of this specification.
3.3.1 Soldering. Soldering shall be in accordance with MIL-HDBK-454.
3.3.2 Dissimilar metals. Except where necessary to complete an electrical circuit,
contact between dissimilar metals shall be avoided. Where such contact is unavoidable, metal
shall be treated to prevent deterioration by chemical or electrochemical reaction with its
environment. Requirements for protecting coupled dissimilar metals shall be in accordance with
MIL-STD-889.
3.3.3 Movement. The movement of the lamp housing shall be controlled by one hand
operation of the control handle (knobs). The lamp housing shall move in a zenith thru an arc of
not less than 270 degrees and shall move in elevation from vertical to not less than 35 degrees
below horizontal.
3.3.4 Bulb. The spotlight shall be designed for insertion of bulbs of the PAR 46, screw
spotlight housing.
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