1、I lNCH-PUUND IMI L-T-81490A(AS)22 Apri 1 1991NtiMIL-T-81490(AS)21 September 1972MILITARY SPECIFICATIONTRANSMISSION LINES,TRANSVERSE ELECTROIWGNETIC MODEThis specification is approved by the Naval Air Systems Cc#mnand,Deparnt of the Navy, and is available for use by al 1 Depart-ments and Agencies of
2、the Department of Oefense.1. SCOPE1.1 Scope. This document covers the general requirements for TransverseElectromag Mode (TEM) Transmission Lines (see 6.4.14) intended for use inairborne systems.1.2 Classification. The TEM transmission 1 ines covered by this spec-ification shall consist of the follo
3、wing types and classes (see b.4.3).1 .2.1 Types.Type I - Designed for use in the 2.0 -Type I I - Designed for use in the 2.O -1 .2.2 Classes.Class 1 - Flexible construction.Class 2 - Semi flexible construction.Class 3 - Rigid construction.2. APPLICABLE 00CUMENTS2.1 Government documents.8.0 GHz rn*-1
4、6.0 GHz range.2.1.1 Specifications, standards and handbooks. The fol lowing specifica-tions, standards and handbooks term a part ot th 1s document to the extentspecified herein. Unless otherwise specified, the issues of these documentsare those 1 isted in the issue of the Oepartmnt of Oefense Index
5、of Specifica-tions and Standards (OODISS) and supplement thereto, cited In the solicitation.Beneficial comnents ( recommendations, additions, deletions) and any pertinentdata which may be of use in improving this document should be addressed to:Commanding Officer, Naval Air Engineering Center, Syste
6、ms Engineering andStandardization Department (SESO) Code 53, Lakehurst, NJ 08733 -5100s Wusing the self-addressed Standardization Oocument Improvement Proposal(00 Form 1426) appearing at the end of this document or by letter.AMSC N/A FSC 5985DISTRIBUTION STATEMENT A. Approved for public release; dis
7、tribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-T-8149UA(AS)ISPECIFICATIONSFEDERALQQ-C-53000-S-763PPP-B-636PPP-T-60PPP-T-76NIL ITARYMlL-P-l 16MI L-C-541OMIL-H-5606MI L-T-5624MI L-C-5756MIL-R-81294STANDARDSMILITARYDOO-STO-1
8、OOMIL-STO-1O5MIL-STO-129MI L-STO-171MI L-STD-202MIL-STO-454Copper-Beryl 1 ium Al 10Y Bar, Rod, and Hire(Copper Alloy Numbers 172 and 173)Steel Bars, Uire, Shapes, and Forgjngs,Corrosion ResistingBox, Shipping, FiberboardTape, Packaging, WaterproofTape, Pressure Sensitive Adhesive,Packaging/Paper ( f
9、or Carton Sealing)Preservation, Methods ofCleaning Compound, Aluminum Surface,Non-Flame-SustainingHydraulic Fluid, Petroleum Base, Aircraft,14i ssi le, and OrdnanceTurbine Fuel . Aviation, Grades JP-4 and JP-5Cable and Uire, Power, Electric, PortableRemover, Paint, Epoxy, Polysulfide andPolyurethane
10、 SystemsEngineering Orawing PracticesSampling Procedures and Tables for Inspec-tion by AttributesMarking for Shipment and StorageFinishing of Metal and Wood SurfacesTest Methods for Electronic and ElectricalComponent PartsStandard General Requirements forElectronic Equipment2 IProvided by IHSNot for
11、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-T-81490A(AS)IISTANOARDS (continued)MILITARY (continued)MI L-sTo-781 Reliability Tests Exponential DistributionMI L-STD-81O Environmental Test Methods and EngineeringGuidelinesMI L- STO-2000 Standard Requirements for Sol
12、deredElectrical and Electronic AssembliesMI L- STD-45662 Calibration Systems Requirements(Unless otherwise indicated, copies of federal and nil itary specifications,standards and handbooks are available from the Standardization Document OrderOesk, 700 Robbins Avenue, Building #4, Section D, Philadel
13、phia, PA19111 -5094.)2.1.2 Other Government documents, drawings and publications. Thefol lowina otler Government documents. drawings and publ ications form a part ofthis dockent to the extent specified herein= Unless otherwise specified,issues are those cited in the solicitation.,000 Cataloging Hand
14、book Federal Supply Code for ManufacturersH4-1 United States and Canada (.Name to Code)DOD Cataloging Handbook Federal Supply Code for ManufacturersH4-2 United States and Canada (Code to Name)the(Copies of Cataloging Handbooks H4-1 and H4-2 are available from theComnander, Defense Logistics Services
15、 Center, 8attle Creek, MI 49017 -384. )2.2 Non-Government publ I cations. The following document(s) form a partof this document to the extent specified herein. Unless otherwise specified.the issues of the documents which are 00D adopted are those 1 isted in theissue of the DODISS cited in the solici
16、tation. Unless otherwise specified.the issues of documents not 1 i steal in the DODISS are the issues of thedocuments cited in, the sol i citation.ELECTRONIC INDUSTRIES ASSOCIATIONEIA RS359 Standard Colors for Color Identificationand Coding(Application for copies should be addressed to the Electroni
17、c IndustriesAssociation, 2001 Eye Street, N. Ii. , Washington, DC 20006. )2.3 Order of precedence. In the event of a conflict between the text ofthis document and the references cited herein (except for related associateddetail specifications, specification sheets, or MS standards), the text ofthis
18、document takes precedence. Nothing in this document, however, supersedesaPPl i cable laws and regulations unless a specific exemption nas been obtained.3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i41L-T-f3149LlA( As)3. REQUIREMENTS3.1 Detail spe
19、cification drawings. The individual TEM transmission linerequirements shall be as specified herein and in accordance with theapplicable detail specification drawings (see 6.4.4). In the event of anyconflict between requirements of this specification and the detai 1 specifica-tion drawi rigs, the lat
20、ter shal 1 govern.3.1.1 The procuring activity shall generate the detail specificationdrawings requi red by this document. The Government reserves the right toreview and approve the detai 1 speci fication drawings when such review isdeemed necessary to assure the conformity of the detai led TEM tran
21、smissionlines to the total system requirements.3.2 Classification of requirements. The applicable requirements areclassified herein as follows:Requirement ParagraphFirst article 3.3Material 3.4Design and construction 3.5Performance 3.6Rel iabi 1 ity 3.7Narking 3.8Workmanship 3.93.3 First article. Wh
22、en specified, samples shal 1 be subjected to firstarticle inspection (see 6.3) in accordance with 4.3.3.4 Materials. Materials shall be as specified herein or in the oetailspecification drawfng; however, when a definite material is not specified,materials used shal 1 meet the performance requirement
23、s of this specification.Approval of any constituent material shal 1 not be construed as a guarantee foracceptance of the finished product.=3.4.1 Dissimilar metals. When dissimilar metals are employed inintimate contact with each other, protection against electrolytic corrosionshall be provided as sp
24、ecified in MI L- STD-454, Requirement 16.3.4.2 Fungus-inert material . Materials shal 1 be fungus resistant andshal 1 be i n accordance WI th MI L -STD-454, Requirement 4.3.4.3 Solder and soldering. Solder and soldering shal 1 be as specifiedin MIL-STD-2U0 e solder shall have a minimum sol idus temp
25、erature of+450”F (+234”C):3.4.4 Plating of conductive surfaces. Plating may be used on theconductive surfaces, at the manufacturers option, except that silver surfacsshall not be gold plated.J4)IProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-T-8
26、1490A(AS)3.4.5 Contacts.3.4.5.1 Center contacts. Center contacts shal 1 be made of suitableconductive materl a I that meets the requi remcnts of 3.4.1 when interfaced withcopper- beryl 1 ium per 00-C-530. The center contact, the dielectric material ,and al 1 other parts shal 1 be permanently captiva
27、ted i n both directions alongthe axis of the appropriate interfaces.3.4.5.2 Outer contacts. Outer contacts shal 1 be made of suitableconductive materia that meets the requirements of 3.4.1 when interfaced withboth copper-beryl 1 ium per QQ-C-530 and steel , corrosion resisting per QQ-S-763that has b
28、een passivated per MI L-STD-171 .3.4.6 Cou ling nuts. C?upli:g nuts afld outer structural members of thei nterface componen , in ermedlate 1 nterface component, and replaceable inter-face component shall be made of steel , corrosion resi sting per QQ-S-763 thathas been passivated per MIL-STO-171 . O
29、ther metal parts used to assemble theseitems shal 1 meet the requirements of 3.4.1.3.5 Oesign and construction. The design, construction and physicaldimensions transmission 1 ines shal 1 be as speci fied herei n and thedetail specification drawings (see 3.1 ). Orawings shall oe interpreted inaccorda
30、nce with OOO-STO-1OO.3.5.1 Interfaces and interface components.3.5.1.1 Primary interfaces. Primary interfaces shal 1 be specified inaccordance witl the detal 1 specification drawings and shal 1 conform to the :requi rements of figures 1 thru 6. The primary interfaces are restricted tothe following p
31、recision types 1 isted in table 1.TABLE I. Primary interfaces.Type Figure Description1 14ale Similar to TNC Male1 Female ; Similar to TNC Female2 Male 3 Similar to SC Male2 Female 4 Similar to SC Female3 Male 1/ 5 Similar to N Nale3 Femal= 1/ 6 Similar to N FemaleAl Type 3 P4ale and Female primary i
32、nterfaces are not to be used for newdesign. These types are included i n this document for the sole purposeof retrofitting existing equipments or systems.3.5.1.2 Intermediate interfaces. The designmediate interfaces (see 6.4.8) shall be the optioniotherwise speci fied herein.5and construction of int
33、er-of the manufacturer, unlessProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-INIL-T -814 YOA(AS)3.5.1 .2.1 The manufacturer shall develop and standardize one size andconfiguration of intermediate interface for Type 1 TEN transmi ssion 1 ines.The int
34、ermediate interface shall be compatible with all styles of replaceableinterface components speci fied herein for Type I TEN transmission 1 ines.3.5.1 .2.2 The manufacturer shall develop and standardize one size andconfiguration of intermediate interface for Type I I TEN transmission 1 jnes.The inter
35、mediate interface shall be compatible with all styles of replaceableinterface components specified herein for Type 11 TEt4 transmi ssion 1 ines.3.5.1 .2.3 Intermediate interfaces shal 1 be constructed so that tnecenter contact does not extent beyond the coupling ring and is protected fromdamage duri
36、ng handling and installation.,3.5.1.3 Replaceable interface components. Replaceable interfacecomponents shaj 1 be as “specl fled 1 n the detal T specification drawings andshal 1 conform to the requirements of figures 7, 8 and 9. In addition,replaceable interface components shall have the required pr
37、imary interfacesspecified i n the detail specification drawings. Replaceable interfacecomponent styles and descriptions are 1 isted in table II .TABLE II. Replaceable interface components.3.5.1 .3.1 Unless otherwise specified in the detail specificationdrawings, replaceable interface components shal
38、l not be used on TEM trans-mission lines less than 3 feet long.3.5.1 .3.2 Unless otherwise specified in the oetail specificationdrawings, TEM transmission 1 ines more than 3 feet but less than 10 feet longshal 1 be provided with replaceable interface components.3.5.1 .3.3 Replaceable interface compo
39、nents shal 1 be provided on TEMtransmission 1 ines that are greater than 10 feet long.3.5.1 .3.4 The procuring activity shall specify the required dimensionsfor styles A, B and C replaceable interface components In the detail specifi-cation drawings. If the system requirements are such that a specia
40、l replace-able interface component is required, the procuring activity shall delineatethe special replaceable interface component on the detail specificationdrawings. The special replaceable interface component snal 1 not compromisethe serviceability, maintainability, or performance of the TEM trans
41、mission1 ine as detailed in this document.3.5.2 Weight. Unless otherwise specified in the detail specificationdrawings ( se-, the TEM transmission 1 ine shal 1 be designed for minimalweight consi stent with good engineering practices.)I)0.Provided by IHSNot for ResaleNo reproduction or networking pe
42、rmitted without license from IHS-,-,-!,/. T,MI LT-8149LIA(AS)iI . 3.5.3 Bonding,between al 1 meta I 1 conductive ty. discontinuities. The mating surfaceslC parts 1 ntentlona I Iy deslgnecl to be electricallycontinuous to RF currents shal 1 be clean and, as required, suitably platedmetal surfaces fre
43、e from anodic film. grease, paint, 1 acquer, or otherhigh-resistance ,film.3.5.4 Pressurization. Any design feature requiring the user topressurize the TEM transmission 1 ine with air or any other gas is prohibited.3.5.5 Surface finish. Dimensions of metal parts shal 1 include anyplating or finish a
44、pplied to meet electrical , mechanical or service conditionrequirements. Surface roughness on machined surfaces shal 1 be b3 microinchesmaximum.3.5.6 Installation design features.3.5.6.1 Primary interfaces shal 1 be provided with torque wrench flats inaccordance with figure 10.I 3.5.6.2 Intermediate
45、 interfaces shal 1 be provided with spanner wrenchholes in accordance with figure 11.3.5.6.3 Primary interfaces shall be provided with a minimum of threeequal lY spaced safety wire holes whose diameters shal 1 be 0.027 minimum.3.6 Performance. TEt4 transmission 1 ines shal 1 meet the pert uru,a,ce,
46、requirements speclfled herein and the detail specification drawings whentested in accordance with the methods of inspection specified in 4.7.3.6.1 Inspection criteria. The parameters specified herein and thedetail speciicatlon drawings shal 1 be adjusted in accordance with theprocedures specified in
47、 4.1.2.3.6.2 Coupled components. Interface components and replaceable inter-face components shal 1 be capable of meeting al 1 electrical , mechanical andservice condition requirements specified in this document when connected tomating Ell precision counterparts with the coupl fng” nuts torqued to th
48、efollowing values:I I?2s Torque ( i rich-pounds)23+3; 2333 Z3T3In addition, replaceable interface components shal 1 be capable of meeting allelectrical , mechanical and service condition requirements specified in thisdocument when connected to mating i ntermedi ate interface components wi tn theasso
49、ciated coupling nuts torqued to a value of 45 5 i rich-pounds. At thisvalue, there shal 1 be metal-to-metal bottoming.3.6.3contacts ofCenter contact stabi 1 ity. In the unmated condition, centerall 1 nterface components and replaceable i nterface components7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-814YUAAS)shall be capable of withstanding an axial force of 6 pounds
