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    ARMY MIL-PRF-49173B-1997 OPTICAL IMAGER SU-103 UA AND SU-103A UA.pdf

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    ARMY MIL-PRF-49173B-1997 OPTICAL IMAGER SU-103 UA AND SU-103A UA.pdf

    1、METRICMIL-PRF-49173B(CR)19 MAY 1997SUPERSEDINGMIL-I-49173A(ER)11 JUNE 1982PERFORMANCE SPECIFICATIONOPTICAL IMAGER, SU-103/UA and SU-103A/UAThis performance specification is approved for use by USACECOM, Department of theArmy, and is available for use by all Departments and Agencies of the Department

    2、 of Defense.1. SCOPE1.1 Scope . This performance specification covers one type of common module, OpticalImager SU-103/UA and SU-103A/UA.2. APPLICABLE DOCUMENTS2.1 General . The documents listed in this section are specified in sections 3 and 4 of thisspecification. This section does not include docu

    3、ments in other sections of this specification orrecommended for additional information or as examples. While every effort has been made toensure the completeness of this list, document users are cautioned that they must meet all specifiedrequirements documents cited in sections 3 and 4 of this speci

    4、fication, whether or not they arelisted.2.2 Government documents .2.2.1 Specifications, standards, and handbooks . The following specifications, standards,and handbooks form a part of this document to the extent specified herein. Unless otherwisespecified, the issues of these documents are those lis

    5、ted in the issue of the Department of DefenseIndex of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation(see 6.2).AMSC N/A FSC 5855DISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited.Beneficial comments (recommendations, additions, d

    6、eletions) and any pertinent data which may beof use in improving this document should be addressed to: HQ, USA Communications-ElectronicsCommand, ATTN: AMSEL-LC-LEO-E-EP, Fort Monmouth, NJ, 07703-5023, by using theStandardization Document Improvement Proposal (DD Form 1426) appearing at the end of t

    7、hisdocument or by letter.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49173B(CR)2STANDARDSDEPARTMENT OF DEFENSEMIL-STD-810 - Environmental Testing and Engineering Guidelines(Unless otherwise indicated, copies of the above handbooks are ava

    8、ilable from theStandardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA,19111-5094).2.2.2 Other Government documents, drawings and publications . The following otherGovernment documents, drawings, and publications form a part of this document to the extentspecified here

    9、in. Unless otherwise specified, the issues are those cited in the solicitation.DRAWINGSUS ARMY COMMUNICATIONS-ELECTRONICS COMMANDSM-D-804143 - Imager, Optical SU-103/UASM-D-969565 - Imager, Optical SU-103A/UASM-D-773420 - Housing, IR Imaging ModuleSM-D-773603 - Flange, Mounting(Copies of specificati

    10、ons, standards, drawings and publications required by contractors inconnection with specific procurement functions should be obtained from the procuring activity oras directed by the contracting officer).2.3 Non-Government publications . The following documents form a part of this documentto the ext

    11、ent specified herein. Unless otherwise specified, the issues of the documents which areDoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwisespecified, the issues of documents not listed in the DoDISS are the issues of the documents cited inthe solicitati

    12、on (see 6.2).AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)ANSI PH 3.35 - Method of Designating and Measuring FocalLengths and Distances of Photographic Lenses.ANSI PH 3.29 - Method of Designating and MeasuringApertures and Related Quantities pertaining to Photographic Objectives and Projection Lenses

    13、.ANSI/ASQC Z 1.4 - Sampling Procedures and Tables for Inspection.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49173B(CR)3(Application for copies should be addressed to: American National Standards Institute, Inc.1430 Broadway, NY, NY, 1001

    14、8).2.4 Order of precedence . In the event of a conflict between the text of this document andthe 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 beenobtained.3. REQUIREME

    15、NTS3.1 First article . When specified in the contract (see 6.2) the contractor shall furnish firstarticle units for inspection (see 4.2).3.2 Materials . The contractor shall select the materials, but the materials used shall be fullycapable of meeting all of the operational and environmental require

    16、ments specified herein. Thematerials specified in the applicable drawings are recommended, but are not mandatory. Selectioncriteria of the class, grade or type part shall be that the material will be able to perform its intendedfunction when it is assembled. Verification of the supplier meeting the

    17、overall performancerequirements shall be the governing acceptance standard. Recovered materials shall be used to themaximum extent possible.3.3 Description . The Optical Imager, SU-103/UA and SU-103A/UA, referred to herein asthe “Imager”, consists of thermally compensated optical elements which focu

    18、s the IR energy froma mechanical scanner onto the detector array of an infrared system. The two models differ in theirinternal configuration but are identical in performance and external configuration. In system usage,they are completely interchangeable.3.3.1 Design . The Imager shall meet the form,

    19、 fit, function and interface requirementsspecified herein.3.3.2 Dimensions . The Imager shall have the dimensions and dimensional tolerancesspecified on Drawing SM-D-804143 for the SU-103/UA or SM-D-969565 for the SU-103A/UAto ensure proper physical interface with existing hardware. Dimensions of th

    20、e mounting flange andhousing for both versions shall be in accordance with Drawings SM-D-773420 and SM-D-773603to ensure proper interface with existing hardware.3.3.3 Weight . The weight of the Imager shall be 522.1 grams or less when weighed with ascale having an accuracy of 1% or greater.3.4 Compo

    21、nents. The number of components comprising the imager shall be held to aminimum consistent with meeting the performance requirements. Drawings are to be consideredas a guide, except for those cited for dimensions in 3.3.2.Provided by IHSNot for ResaleNo reproduction or networking permitted without l

    22、icense from IHS-,-,-MIL-PRF-49173B(CR)43.5 Performance characteristics.3.5.1 Effective Focal Length (EFL) . The EFL of the Imager in the 7.6 to 11.75 micrometerspectral region shall be 67.8 mm, 0.7 mm at the nominal flange focal distance (see 3.5.6) isdefined by ANSI PH 3.35, paragraph 4.3.5.2 f/num

    23、ber . The f/number of the Imager shall be f/1.19 or faster, set by the clearaperture of the first lens element (see Figure 3) as defined by ANSI PH 3.29, paragraph 2.6.3.5.3 Linear distortion . The linear distortion of the Imager shall be between 0 to -3 percentat the edge of the field.3.5.4 Modulat

    24、ion transfer function (MTF) . The MTF of the Imager shall not be less thanthe MTF given in Figure 1.3.5.5 Relative Illumination (RI) . The RI of the Imager shall not be less than 60 percent atthe edge of the field for a field diameter of 20 millimeters at the image plane.3.5.6 Flange focal distance

    25、(FD) . The FD shall be set to a nominal of 17.71 mm, and beadjustable 0.47 mm at ambient temperature (see 6.5.2).3.5.7 Field of view (FOV) . The imager shall have a field of view sufficient to fill a circularformat with a diameter of 20 mm.3.5.8 Optical transmittance . The optical transmittance of t

    26、he Imager, measured in the 7.6 -11.75 micrometer spectral region shall be at least 85% at ambient temperature (see 6.5.2).3.5.9 Deviation. The optical axis of the imager shall not deviate from 90.0 degrees by morethan 0.5 degree.3.6 Environmental conditions .3.6.1 Temperature shock . The Imager shal

    27、l not be damaged by sudden changes intemperature between -54 C and +95 C (see 6.5.1).3.6.2 High temperature . The Imager shall not be damaged by storage to +95 C oroperation to +71 C (see 6.5.1).3.6.3 Low temperature . The Imager shall not be damaged by operation to -54 C or storageto -62 C (see 6.5

    28、.1).3.6.4 Shock . The Imager shall not be damaged by high intensity shocks of 100 “gs” peakamplitude with 11 milliseconds duration (see 6.5.1).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49173B(CR)53.6.5 Vibration . The Imager shall not b

    29、e damaged after sustaining vibration over afrequency spectrum at the specified “g” levels and amplitudes shown in Figure 3 (see 6.5.1).3.6.6 Altitude . The Imager shall not be damaged by operation at altitudes up to 10,000 feetabove sea level or storage to 50,000 feet above sea level (see 6.5.1).3.6

    30、.7 Test methods . Measurements taken by the contractor during verification testing of allenvironmental performance requirements shall be accomplished using commercially accepted testapparatus such as an environmental test chamber, vibration test table, pendulum shock device orsimilar equipment which

    31、 simulate extreme climatic or environmental conditions. For temperaturetests, test duration shall be a minimum of three (3) cycles for operation and seven (7) cycles forstorage at 24 hours for each cycle.3.7 Treatment and painting . Unless otherwise specified, the Imager shall have an externalsurfac

    32、e of a composition or surface treatment which will prevent rust, corrosion and fungusgrowth in the full range of environmental requirements. External color and surface shine shallreduce light reflection and reduce recognition. Adherence must be assured through the full rangeof environmental and use

    33、factors.3.8 Nameplates and product marking . The Imager shall be marked for identification asshown in View B of Drawing SM-D-773420. Marking shall consist of the following:80063-SM-D-77342080063 ASSY SM-D-804143 (or SM-D-969565)MFR xxxxx (CAGE Code)Marking shall be in contrasting letters when compar

    34、ed to the background with a minimum letterheight of 0.06 mm.3.9 Workmanship . All electronic parts, components, assemblies or sub-assemblies shall befree of smudges, excess solder, metal chips or the existence of any foreign material on any surface.Bearing assemblies shall be free from rust, dirt or

    35、 tool marks. Wires or integrated circuitry shall beprotected from contact with rough or irregular surfaces and be shielded from shorting. All opticalparts shall be free of material defects such as bubbles, seeds, cracks, feathers, milkiness and otherimperfections. Manufacturing defects such as blist

    36、ers, burns, chips, dirt and other like defects shallbe cause for rejection of the component or final assembly.4. VERIFICATION4.1 Classification of inspections . The inspection requirements specified herein are classifiedas follows:a. First article inspection (see 4.2)b. Conformance inspection (see 4

    37、.3).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49173B(CR)64.2 First article inspection . When first article testing is required, the first article inspectionshall be performed by the contractor on the number of samples specified in the c

    38、ontract orpurchase order (see 6.2). Sampling procedures and sampling size shall be per ANSI/ASQC Z 1.4.This inspection shall include the examination of 4.5 and the tests of 4.3.2.4.2.1 Visual examination . All materials, parts and assemblies shall be examined forconformance to the applicable specifi

    39、cation or drawing as indicated. Inspections shall be madeusing ANSI/ASQC Z 1.4 sampling procedures.TABLE I. Visual inspectionsInspection RequirementparagraphVerificationparagraphAny specified part or componentmissing or damaged 3.3 4.2.1Dimensions not as specified 3.3.1 4.2.1Flange diameter 3.3.1 4.

    40、2.1Flange mounting hole pattern 3.3.1 4.2.1Weight not as specified 3.3.2 4.2.1Treatment and paintingnot as specified 3.7 4.2.1Marking not as specified 3.8 4.2.1Workmanship not as specified 3.9 4.2.14.2.2 Tests . Upon successful completion of inspections specified in 4.2.1, perform the testsof Table

    41、II in any order. Failure to meet any performance requirement shall constitute first articlefailure.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49173B(CR)7TABLE II. First article inspection .Inspection RequirementparagraphTest paragraphEqu

    42、ivalent focal length 3.5.1 4.5.1f/number 3.5.2 4.5.2Geometric distortion 3.5.3 4.5.3Modulation transfer function 3.5.4 4.5.4Relative illumination 3.5.5 4.5.5Flange focal distance 3.5.6 4.5.6Field of view 3.5.7 4.5.7Optical transmittance 3.5.8 4.5.8Deviation 3.5.9 4.5.9Temperature shock 3.6.1 4.6.1Hi

    43、gh temperature 3.6.2 4.6.2Low temperature 3.6.3 4.6.3Shock 3.6.4 4.6.4Vibration 3.6.5 4.6.5Altitude 3.6.6 4.6.64.2.3 Disposition of first article samples . First article samples shall not be considered aspart of the procurement quantities (see 6.2).4.3 Conformance inspection . Conformance inspection

    44、 shall include the examination of 4.4and Group inspections of 4.3.2.4.3.1 Inspection . Inspection shall be as specified in 4.2.1.4.3.2 Group inspections .4.3.2.1 Group A inspection . Group A inspection shall be conducted at ambienttemperature (see 6.5.2) on all imagers following the inspection of 4.

    45、2.1. Group A tests listed inTable III may be performed in any order. Failure of any requirement shall be cause for rejectionof that unit. Sampling shall be selected from monthly lots in accordance with ANSI/ASQC Z1.4.Provided by IHSNot for ResaleNo reproduction or networking permitted without licens

    46、e from IHS-,-,-MIL-PRF-49173B(CR)8TABLE III. Group A inspection .Inspection Requirement paragraph Test paragraphModulation transfer function 3.5.4 4.5.4Flange focal distance 3.5.6 4.5.64.3.2.2 Group B inspection . Not required.4.3.2.3 Group C inspection . Group C inspection shall be conducted on ima

    47、gers selectedfrom units which have passed the tests in 4.3.2.1. The sample(s) shall be tested in accordancewith the inspections listed in Table IV. Samples shall be selected in accordance with 4.3.2.3.1.Group C tests listed in Table IV may be performed in any order. Failure of any requirement shallb

    48、e cause for rejection of that unit.4.3.2.3.1 Sampling for Group C inspection . Group C inspection samples shall be selectedfrom monthly lots in accordance with ANSI/ASQC Z 1.4 and as specified in the contract (see6.2.f).TABLE IV. Group C inspection .Inspection Requirement paragraph Test paragraphEqu

    49、ivalent focal length 3.5.1 4.5.1Relative illumination 3.5.5 4.5.5Optical transmittance 3.5.8 4.5.8Deviation 3.5.9 4.5.9Temperature shock 3.6.1 4.6.1Vibration 3.6.5 4.6.54.3.2.3.2 Group C failures . Actions required relative to group C failures shall be asspecified in the contract (see 6.2).4.3.2.3.3 Disposition of Group C samples . Group C samples shall be accepted on contract


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