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    DLA MIL-DTL-55041 F-2012 SWITCHES WAVEGUIDE GENERAL SPECIFICATION FOR.pdf

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    DLA MIL-DTL-55041 F-2012 SWITCHES WAVEGUIDE GENERAL SPECIFICATION FOR.pdf

    1、AMSC N/A FSC 5985 MIL-DTL-55041F 5 January 2012 SUPERSEDING MIL-DTL-55041E 15 August 2007 DETAIL SPECIFICATION SWITCHES, WAVEGUIDE, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification co

    2、vers the general requirements for waveguide switches, either manually or electromechanically operated, designed to connect and disconnect one or more waveguide sections to other waveguide sections. Detail requirements and specific characteristics of switches are be specified in the applicable specif

    3、ication sheet. 1.2 Part or Identifying number (PIN). The military PIN consists of the letter “M“, the basic number of the specification sheet, an assigned dash number (see 3.1), and the letter N or S; where N indicates a non-screened item and S indicates a screened item. EXAMPLE: M55041/3- 01 N or S

    4、 Military designator and Dash number Non-screened Screened specification sheet number 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specificati

    5、on or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed

    6、. 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 otherwise specified, the issues of these documents are those cited in the solicitation or contract (s

    7、ee 6.2). FEDERAL STANDARDS FED STD H28 - Screw Thread Standards for Federal Services. FED-STD-595/27038 - Colors Used in Government Procurement. INCH-POUND Comments, suggestions or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAT, Post Office Box 3990, Columbus, OH

    8、43218-3990, or emailed to TubesAmpsdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I

    9、HS-,-,-MIL-DTL-55041F 2 DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-3922 - Flanges, Waveguide, General Purpose, General Specification for. MIL-DTL-5541 - Chemical Conversion Coatings on Aluminum and Aluminum Alloys. MIL-PRF-22750 - Coating, Epoxy High Solids. MIL-PRF-23377 - Primer Coatings, Epoxy,

    10、 High-Solids. MIL-P-24691/3 - Pipe and Tube, Corrosion-Resistant, Stainless Steel, Seamless or Welded. MIL-DTL-38999 - Connectors, Electrical, Circular, Miniature, High Density, Quick Disconnect (Bayonet, Threaded, and Breech Coupling), Environment Resistant, Removable Crimp and Hermetic Solder Cont

    11、acts, General Specification for. MIL-DTL-55041/10 - Switch, Waveguide, Electromechanical, Latching, Frequency Range 8.6 to 10.3 GHz. MIL-DTL-55041/11 - Switch, Waveguide, 1P2T, Latching. MIL-DTL-83723 - Connectors, Electrical, (Circular, Environment Resisting), Receptacles and Plugs, General Specifi

    12、cation for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Electronic and Electrical Component Parts. MIL-STD-889 - Dissimilar Metals. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or https:/assist

    13、.daps.dla.mil or from the Standardization Document Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, issues of these documents

    14、are those cited in the solicitation or contract (see 6.2). ASME INTERNATIONAL (ASME) ASME-B46.1 - Surface Texture, (Surface Roughness, Waviness and Lay). (Copies of this document are available online at http:/www.asme.org or from ASME International, Three Park Avenue, New York, NY 10018.) ASTM INTER

    15、NATIONAL (ASTM) ASTM-A240/A240MB - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications. ASTM-A666 - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar. ASTM-A693 - Precipitation-Hardening Stainless a

    16、nd Heat-Resisting Steel Plate, Sheet, and Strip. ASTM-B26/B26M - Aluminum-Alloy Sand Castings. ASTM-B36/B36M - Plate, Brass, Sheet, Strip, and Rolled Bar. ASTM-B85/B85M - Aluminum-Alloy Die Castings. ASTM-B108/B108M - Aluminum-Alloy Permanent Mold Castings. ASTM-B121/B121M - Plate, Leaded Brass, She

    17、et, Strip and Rolled Bar. ASTM-B209 - Aluminum and Aluminum-Alloy Sheet and Plate. ASTM-B221 - Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes. (Copies of these documents are available online at http:/astm.org or from ASTM INTERNATIONAL, 100 Barr Harbor Drive, West Conshoh

    18、ocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-55041F 3 NATIONAL CONFERENCE OF STANDARDS LABORATORIES (NCSL) NCSL-Z540.3 - Calibration Laboratories and Measuring and Test Equipment. (Copies of the above document are av

    19、ailable online at http:/www.ncsli.org or from National Conference of Standards Laboratories (NCSL), 2995 Wilderness Place Suite 107, Boulder, CO 80301-5404, United States). SAE INTERNATIONAL (SAE) AEROSPACE MATERIALS SPECIFICATIONS (AMS) SAE-AMS-QQ-A-200 - Aluminum Alloy, Bar, Rod, Shapes, Structura

    20、l Shapes, Tube, and Wire, Extruded; General Specification for. SAE-AMS-QQ-S-763 - Steel Bars, Wire, Shapes, and Forgings; Corrosion Resistant. SAE-AS50151 - Connectors, Electrical, Circular Threaded, An Type, General Specification For (Copies of these documents are available online at http:/www.sae.

    21、org or from SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001). 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 (except for related specification sheets), t

    22、he 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 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the a

    23、pplicable specification sheets. In the event of any conflict between requirements of this specification and the specification sheets (MIL-DTL-55041/10 and MIL-DTL-55041/11), the latter shall govern (see 6.2). 3.2 Material. The material for each part shall be as specified herein; however, when a defi

    24、nite material is not specified, a material shall be used which will enable the waveguide switches to meet the performance requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of the acceptance of the finished product. The materia

    25、l shall be selected from the following: a. Aluminum alloy plates and sheets shall conform to composition 6061 of ASTM-B209; extruded aluminum alloy shall conform to composition 6063 of ASTM-B221 (non-aerospace applications) and SAE-AMS-QQ-A-200 (aerospace and unspecified applications) or composition

    26、 6061 of ASTM-B209. b. Corrosion-resisting steel plates, sheets, and strips shall conform to ASTM-A666 (cold-worked grades), ASTM-A693 (precipitation-hardening grades) or ASTM-A240/A240M (all other grades). c. Corrosion-resisting forgings shall conform to SAE-AMS-QQ-S-763 and corrosion-resisting ste

    27、el pipe shall conform to MIL-P-24691/3. d. Copper alloy sheet shall conform to ASTM-B36/B36M and ASTM-B121/B121M. e. Aluminum alloy castings shall conform to alloy A360 of ASTM-B85/B85M, class 8 alloy 356 of ASTM-B108/B108M, or alloy 40E of ASTM-B26/B26M. 3.2.1 Dissimilar metals. Unless suitably pro

    28、tected against electrolytic corrosion, dissimilar metals shall be as specified in MIL-STD-889. 3.2.2 Fungus. Materials used in the construction of switches shall be fungus inert (see 6.4.12). 3.2.3 Pure tin. The use of pure tin as an underplate or final finish is prohibited both internally and exter

    29、nally. Tin content of the waveguide switch components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.7). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-55041F 4 3.3 Desi

    30、gn and construction. Waveguide switches shall be of the design, construction, and physical dimensions specified (see 3.1). 3.3.1 Operating frequency range. The frequency range shall be as specified (see 3.1). 3.3.2 Operation. Switches shall be either manually or electromechanically operated. 3.3.2.1

    31、 Operating voltage. When applicable, the nominal operating voltage shall be as specified (see 3.1). 3.3.3 Configuration. Switches shall be furnished with the number of positions specified (see 3.1). 3.3.4 Threaded parts. All threaded parts shall be in accordance with FED-STD-H28. Inserts shall be pr

    32、ovided when added thread strength and life is needed for mounting holes. 3.3.5 Diode suppression. When a diode is used for radio frequency (RF) noise suppression, it shall be protected by another diode such that applying reverse polarity to the actuating circuit does not cause excessive current flow

    33、 in the suppressing diode. Unless otherwise specified, all suppressing diodes shall be mounted inside the switch body. 3.3.6 Waveguide and connector cover. The connector and waveguide opening of the switches shall be sealed with covers to prevent damage and the entrance of moisture and foreign mater

    34、ial during storage. 3.3.7 Connectors. The connector receptacle shall conform with SAE-AS50151, MIL-DTL-38999, or MIL-DTL-83723. All connectors shall have their metallic shells grounded to the switch metallic casing. 3.3.8 Waveguide flanges. The waveguide flange faces and mounting holes shall mate wi

    35、th waveguide flanges conforming with MIL-DTL-3922. 3.3.9 Solder terminals. Solder terminals shall be in accordance with best manufacturing practices. 3.3.10 Indicating circuits (see 6.4.4). When specified (see 3.1), switches shall be designed with separate contacts and terminals to operate a pilot l

    36、ight or other device which shall indicate each position of the switch. 3.3.11 Interlock circuit. When specified (see 3.1), switches shall be designed with separate contacts and terminals to operate or control the output of a transmitter or other RF power source, during switching or at any one of the

    37、 switch positions. Interlocks shall be activated before rotor has traveled less than 6 degrees across the waveguide opening. 3.3.12 Finish. Unless otherwise specified (see 3.1), the finish shall be as specified in 3.3.12.1 and 3.3.12.2. 3.3.12.1 Waveguide flange face surface. The flange face surface

    38、 of the switch shall be finished to 63 root-mean-square microinches in accordance with ASME-B46.1. Aluminum flange face shall be coated with a chromate-type conversion coating in accordance with MIL-DTL-5541, class 1A. 3.3.12.2 Exterior surface. All exterior surfaces of the switch, except flange fac

    39、es and connectors, shall be painted in accordance with MIL-PRF-23377 and MIL-PRF-22750. 3.3.13 Temperature range. The temperature range shall be as specified (see 3.1). 3.3.14 Weight. The weight shall not exceed the limit specified (see 3.1). 3.4 Screening. All screened switches produced to this spe

    40、cification shall be screened in accordance with table III and 4.7.2. After screening, the switch shall be subjected to group A inspection. 3.5 Run-in. All electromechanically operated switches produced to this specification shall be run-in in accordance with 4.7.3. 3.6 Pull-in voltage (see 6.4.6). W

    41、hen electromechanically operated switches are tested as specified in 4.7.4, the pull-in voltage value shall not exceed the value specified (see 3.1). The measured pull-in voltage at the highest operating temperature shall not exceed the maximum specified value (see 3.1) by more than 10 percent. Prov

    42、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-55041F 5 3.7 Dropout voltage (see 6.4.1). When fail-safe electromechanically operated switches are tested as specified in 4.7.5, the dropout voltage value shall be not less than the value specified

    43、(see 3.1). 3.8 Operating current (see 6.4.10). When electromechanically operated switches are tested as specified in 4.7.6, the maximum operating current shall not exceed the value specified (see 3.1). The measured operating current at the lowest operating temperature shall not exceed the maximum sp

    44、ecified value by more than 25 percent. 3.9 Holding current (see 6.4.3). When fail-safe electromechanically operated switches are tested as specified in 4.7.7, the holding current value shall not exceed the value specified (see 3.1). The measured holding current at the lowest operating temperature sh

    45、all not exceed the maximum specified value (see 3.1) by more than 25 percent. 3.10 Rotor motion delay (when specified) (see 6.4.7 and 3.1). When electromechanically operated switches are tested as specified in 4.7.8, the rotor motion delay time shall not exceed the time specified (see 3.1). 3.11 Die

    46、lectric withstanding voltage. When electromechanically operated switches are tested as specified in 4.7.9, there shall be no evidence of voltage breakdown. 3.12 Transient interference (RFI) (when specified) (see 3.1). When electromechanically operated switches are tested as specified in 4.7.10, the

    47、switch shall not conduct or radiate RF noise to a degree greater than the following limiting values: a. DC switches +50 percent or -150 percent of nominal line voltage (28 V dc limit is 42 V peak). b. AC switches 2 x nominal RMS line voltage (115 V ac limit is 230 V peak). 3.13 Isolation. When switc

    48、hes are tested as specified in 4.7.11, the isolation between the activated and any other ports shall be not less than the value specified (see 3.1). 3.14 Voltage standing wave ratio (VSWR). When switches are tested as specified in 4.7.12, the input VSWR shall not exceed the value specified (see 3.1)

    49、. 3.15 Insertion loss. When switches are tested as specified in 4.7.13, the insertion loss shall not exceed the value specified (see 3.1). 3.16 Switching time (see 6.4.8). When electromechanically operated switches are tested as specified in 4.7.14, the time required to switch from one position to an adjacent position sh


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