1、INCH-POUND MIL-PRF-55339C w/ AMENDMENT 1 16 April 2008 SUPERSEDING MIL-PRF-55339C 3 August 2005 PERFORMANCE SPECIFICATION ADAPTERS, CONNECTORS, COAXIAL, RADIO FREQUENCY, (BETWEEN SERIES AND WITHIN SERIES), GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agenci
2、es of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the performance requirements and tests for between series and within series, radio frequency (RF), coaxial connector adapters. 1.2 Classification. Adapters consist of the following classes with the Part Identifying Number
3、 (PIN), as specified (see 3.1). a. Class 1 A class 1 adapter is an adapter which is intended to provide superior RF performance at specified frequencies, and for which all RF characteristics are completely defined. b. Class 2 A class 2 adapter is intended to provide mechanical connection within an R
4、F circuit providing specified RF performance. 1.2.1 PIN. The PIN consists of the letter “M” followed by the basic specification sheet number. The first digit in the dash number designates the material and finish of the adapter body (shell); i.e., “0” for silver plated brass, “3” for passivated corro
5、sion-resistant steel, “4” for gold plated copper beryllium, “6” to be used between series SMA and other series (SMA body to be corrosion resistant steel and the other series to be brass), or “7“ for nickel plated brass. Succeeding digits will be assigned to designate the former UG number or a nonsig
6、nificant number, as applicable. Example: M55339/ 01 - XXXXX General specification Dash number from specification sheet Specification sheet AMSC N/A FSC 5935 Comments, suggestions, or questions on this document should be addressed to Defense Supply Center Columbus, ATTN: VAI, P.O. Box 3990, Columbus
7、OH 43218-3990 or email to RFConnectorsdscc.dla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
8、e from IHS-,-,-MIL-PRF-55339C w/AMENDMENT 1 22. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional infor
9、mation 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 of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.
10、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. FEDERAL STANDARDS FED-STD-H28 - S
11、crew-Thread Standards for Federal Services. COMMERCIAL ITEM DESCRIPTIONS A-A-59588 - Rubber, Silicone. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-39012 - Connectors, Coaxial, Radio Frequency, General Specification For DEPARTMENT OF DEFENSE STANDARDS MIL-STD-130 - Identification Marking of U.S. Mil
12、itary Property. MIL-STD-202 - Electronic and Electrical Component Parts. MIL-STD-348 - Radio Frequency Connector Interfaces For MIL-C-3643, MIL-C-3650, MIL-C-3655, MIL-C-25516, MIL-C-26637, MIL-PRF-39012, MIL-PRF-49142, MIL-PRF-55339, MIL-C-83517. MIL-STD-889 - Dissimilar Metals. (Copies of these do
13、cuments are available online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil or from the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document t
14、o the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM A342/A342M - Standard Test Methods for Permeability of Feebly Magnetic Materials ASTM A484/B484M - Steel, Bars, Billets and Forgings, Stai
15、nless ASTM A582/B582M - Free-Machining Stainless and Heat-Resisting Steel Bars ASTM B16/B16M - Rod, Brass, Free-Cutting, Bar and Shapes for use in Screw Machines ASTM B36/B36M - Plate, Brass, Sheet, Strip, and Rolled Bar ASTM B88 - Tube, Water, Seamless Copper ASTM B121/B121M - Plate, Leaded Brass,
16、Sheet, Strip, and Rolled Bar Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55339C w/AMENDMENT 1 3ASTM B124/B124M - Copper and Copper Alloy Forging Rod, Bar, and Shapes ASTM B139/B139M - Rod, Phosphor Bronze, Bar, and Shapes ASTM B152/B152M
17、- Copper Sheet, Strip, Plate, and Rolled Bar ASTM B194 - Copper-Beryllium Alloy Plate, Sheet, Strip and Rolled Bar ASTM B196/B196M - Rod and Bar, Copper-Beryllium Alloy ASTM B197/B197M - Wire, Alloy, Copper-Beryllium ASTM B455 - Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extrud
18、ed Shapes. ASTM B488 - Gold for Engineering Uses, Electrodeposited Coatings of ASTM B700 - Electrodeposited Coatings of Silver for Engineering Uses ASTM D2116 - Molding and Extrusion Materials, FEP-Fluorocarbon ASTM D4894 - Polytetrafluoroethylene (PTFE) Grandular Molding and RAM Extrusion Materials
19、 ASTM D4895 - Polytetrafluoroethylene (PTFE) Resins Produced From Dispersion (Copies of these documents are available from http:/www.astm.org or ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) ASME INTERNATIONAL ASME B46.1 Surface Texture (Surface Roughne
20、ss, Waviness, and Lay. (Copies of these documents are available online at http:/www.asme.org or from the ASME International, Three Park Avenue, New York, NY 10016-5990.) INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, INC. (IEEE) IEEE 287 Standard For Precision Coaxial Connectors. (Copies of thes
21、e documents are available online from http:/www.corporate-communicationieee.org or from the IEEE Operations Center, 445 Hoes Lane, Piscataway, New Jersey 08854-1331.) SAE INTERNATIONAL SAE-AMS-QQ-N-290 - Nickel Plating (Electrodepositied). SAE-AMS2700 - Steels, Passivation of Corrosion Resistant. (C
22、opies of these documents are available online at http:/www.sae.org or from the SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related specifi
23、cation sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55339C w/
24、AMENDMENT 1 43. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requirements of this specification and the specification sheet, the latter shall gover
25、n. 3.2 Qualification. Adapters furnished under this specification shall be products that are authorized by the qualifying activity for listing on the applicable qualified products list before contact award (see 4.3, 6.3) 3.3 Critical interface material. Material shall be specified herein and in tabl
26、e I. If materials other than those specified are used, the contractor shall certify to the qualifying activity that the substitute material enables the adapters to meet the requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of
27、the acceptance of the product. When a definite material is not specified, a material shall be used which will enable the adapters to meet the requirements of this specification. Any substitute materials shall be non-hazardous and permit the adapter to meet the requirements of section 3 of this speci
28、fication. TABLE I. Materials. Component material Applicable specification Steel Brass Copper beryllium Phosphor bronze Soft copper Copper PTFE fluorocarbon FEP fluorocarbon Silicon rubber ASTM A484/B484M, ASTM A582/B582M ASTM B16/B16M, ASTM B36/B36M, ASTM B121/B121M ASTM B194, ASTM B196/B196M, ASTM
29、B197/B197M, ASTM B455 ASTM B139/B139M ASTM B152/B152M ASTM B88, ASTM B124/B124M ASTM D4894 and ASTM D4895 ASTM D2116 A-A-59588 3.3.1 Critical interface materials and finish. Unless otherwise specified (see 3.1), adapter center contacts and bodies shall be plated in the following manner in order to m
30、eet the requirements of this specification and avoid detrimental interactions between dissimilar metals. 3.3.1.1 Center contacts. The male pin shall be plated to a minimum gold thickness of 50 micro inches (1.27 micro meters) in accordance with ASTM B488, type II code C, class 1.27, over 50 micro in
31、ches (1.27 micro meters) minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, measured anywhere along the mating surface, for all series. The socket contact shall be plated to a minimum of 50 micro inches (1.27 micro meters) of gold in accordance with ASTM B488, type II, code C, class 1.2
32、7, over 50 micro inches minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, including the I.D., measured at a depth of .040 inch (1.01mm) minimum. The plating on non-significant surfaces in the I.D. shall be of sufficient thickness to ensure plating continuity and uniform utility and pro
33、tection. This plating may consist of an underplate only. A silver underplate shall not be permitted on any contact, pin or socket. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55339C w/AMENDMENT 1 53.3.1.2 Adapter bodies. All brass bodied
34、adapters shall be silver plated in accordance with ASTM B700 to a minimum thickness of 0.000200 inch (0.005 mm) over a copper underplate, or nickel plated in accordance with SAE-AMS-QQ-N-290, 0.000200 inch (0.005mm), minimum. All copper beryllium bodied adapters shall be gold plated to a minimum thi
35、ckness of 50 micro inches (1.27 m) in accordance with ASTM B488, type II, code C, class 1.27 over a copper flash. All corrosion resistant steel bodied adapters shall be passivated in accordance with SAE-AMS2700, unless otherwise specified (see 3.1). NOTE: Ferrous or nickel alloys shall not be used o
36、n brass or copper beryllium bodied adapters (i.e., coupling nut, etc.). 3.3.2 Dissimilar metals. Dissimilar metals between which an electromotive couple may exist shall not be placed in contact with each other. Reference is made to MIL-STD-889 for definition of dissimilar metals. 3.3.3 Nonmagnetic m
37、aterials. All parts (except hermetic sealed adapters and connector hardware) shall be made from materials which are classed nonmagnetic (see 3.9). 3.3.4 Spring members. Unless otherwise specified (see 3.1), center contact spring members shall be made of copper beryllium. 3.3.5 Recycled, recovered, o
38、r 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 and advantageous life cycle costs. 3
39、.4 Configuration and features. Adapters shall be of the configuration and physical dimensions specified (see 3.1). The nominal impedance, working voltage, frequency range, and temperature range shall be as specified (see 3.1). 3.4.1 Mating (visual indication). When applicable, a visual means for ind
40、icating complete mating shall be as specified (see 3.1). 3.4.2 Screw threads. Screw threads shall be in accordance with FED-STD-H28 unless otherwise specified (see 3.1). 3.4.3 Adapter interfaces. Adapter interfaces shall be in accordance with MIL-STD-348 unless otherwise specified (see 3.1). 3.5 Cen
41、ter contact retention. When adapters are tested as specified in 4.5.2, the center contacts shall withstand the axial force specified (see 3.1). The center contact shall meet the mating interface dimensions. When a torque requirement is specified (see 3.1) there shall be no rotation of the center con
42、tact. 3.6 Force to engage/disengage (see 4.5.3). 3.6.1 Bayonet and threaded types. When tested as specified in 4.5.3.1, the torque necessary to completely couple or uncouple the adapters shall not exceed that specified (see 3.1). Also the longitudinal force necessary to initiate the engaging or dise
43、ngaging cycle shall not exceed that specified (see 3.1). 3.6.2 “Push on” adapter types (with or without detents). When tested as specified in 4.5.3.2, the forces necessary to fully engage or disengage the adapter shall not exceed that specified (see 3.1). Provided by IHSNot for ResaleNo reproduction
44、 or networking permitted without license from IHS-,-,-MIL-PRF-55339C w/AMENDMENT 1 63.7 Coupling proof torque (threaded adapters). When tested as specified in 4.5.4, the coupling mechanism shall not be dislodged, and the adapter shall meet requirements of 3.6.1. The interface dimensions of the adapt
45、er shall remain as specified (see MIL-STD-348). 3.8 Mating characteristics. When adapters are tested as specified in 4.5.5, the mating dimensions shall be gauged as specified (see 3.1) and the dimensions shall remain within the specified tolerances (see 3.1). 3.9 Permeability of nonmagnetic material
46、s. When adapters (except hermetic sealed and connector hardware) are tested as specified in4.5.6 , the permeability (Mu) shall be less than 2.0. 3.10 Hermetic seal (pressurized adapters only). When adapters are tested as specified in 4.5.7, the leakage rate shall not exceed that specified (see 3.1).
47、 3.10.1 Leakage (pressurized adapters only). When adapters are tested as specified in 4.5.7.1, there shall be no leakage as detected by escaping air bubbles. 3.11 Insulation resistance. When adapters are tested as specified in 4.5.8 , the insulation resistance shall not be less than that specified (
48、see 3.1). 3.12 Voltage standing wave ratio (VSWR). When adapters are tested as specified in 4.5.9, the VSWR shall not exceed that specified over the frequency range specified (see 3.1). 3.13 RF leakage. When adapters are tested as specified in 4.5.10, the total leakage shall not exceed that specifie
49、d (see 3.1). 3.14 RF insertion loss. When adapters are tested as specified in 4.5.11, the insertion loss shall not exceed that specified (see 3.1). 3.15 Adapter durability. When adapters are tested as specified in 4.5.12, they shall show no evidence of severe mechanical damage and the coupling device shall remain functional. Adapte
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