MIL-PRF-49319A(CR)
(Copies of the above non-government publication should be obtained from the procuring
activity or as directed by the contracting officer).
AMERICAN SOCIETY FOR QUALITY CONTROL
ANSI/ASQC Z 1.4
- Sampling Procedures and Tables for Inspection by
Attributes
(Application for copies should be addressed to American Society for Quality Control, P.O.
Box 3005, 611 East Wisconsin Avenue, Milwaukee, WI 53202).
2.4 Order of precedence. 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 in the contract (see 6.2), the contractor shall furnish first
article units. A sample shall be subjected to first article inspection in accordance with 4.2.
3.2 Materials. The contractor shall select materials that are fully capable of meeting all of the
operational and environmental requirements specified herein. The materials specified in the
applicable drawings are recommended, but are not mandatory. Selection criteria for the class, grade
or type part shall ensure that the material will be able to perform its intended function when it is
assembled. Verification of the supplier meeting the overall performance requirements shall be the
governing acceptance standard. Recovered materials shall be used to the maximum extent possible.
3.3 Description. The Detector-Dewar, DT-591B/UA, is an opto-electronic device sensitive to
radiation in the 7.5 to 12.0 micrometer spectral region. The Detector-Dewar uses a supply of
photoconductive detectors operated from a power supply of 3.0, ± 0.2 volts direct current (Vdc).
Bias resistors shall be an integral part of the Detector-Dewar.
3.3.1 Design. The Detector-Dewar shall meet the form, fit, function and interface
requirements of this specification.
3.3.2 Weight. Maximum weight of the Detector-Dewar shall be 0.5 pounds including bias
resistors.
3.3.3 Dimensions. Dimensions and dimensional tolerances of the Detector-Dewar shall be in
accordance with 80063-A3172178 to esnure proper physical interface with the existing hardware.
3.4 Components. The Detector-Dewar shall consist of a detector array and a resistor bias
pack. The detector array shall rotate 360° with respect to the Dewar mounting flange. Two or more
reusable, electrically activated getters shall be an integral part of the Detector-Dewar for
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