1、AMSC N/A FSC 5935 INCH-POUND MS90261E 01 October 2012 SUPERSEDING MS90261D 7 November 2005 DETAIL SPECIFICATION SHEET ADAPTER, CONNECTOR, COAXIAL, RADIO FREQUENCY, BETWEEN SERIES (SERIES C JACK TO SERIES HN PLUG) TYPE UG-703 A/U This specification is approved for use by all Departments and Agencies
2、of the Department of Defense The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-27434. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Series HN socket contact interface and series C pin conta
3、ct interface to be in accordance with MIL-STD-348. FIGURE 1. Type UG-703A/U connector. Inches mm .781 19.84 1.500 38.10 Inactive for new design after 15 June 1999. Reference Series Contact A HN Socket B C Pin Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
4、HS-,-,-MS90261E 2 Dimensions and configuration: In accordance with figure 1 and MIL-STD-348. Frequency range: 500 MHz, maximum. Voltage rating: 1,000 Vrms at sea level, 250 Vrms at 70,000 feet, maximum. Dielectric withstanding voltage: 3,000 volts, rms. Corrosion: In accordance with, MIL-STD-202, me
5、thod 101, test condition B. Finish: Center contact. The male pin shall be plated to a minimum gold thickness of 50 micro inches (1.27m) in accordance with ASTM B488, type II, code C, class 1.27, over 50 micro inches (1.27m) minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, measured any
6、where along the mating surface, for all series. The socket contact shall be plated to a minimum of 50 micro inches (1.27 m) of gold in accordance with ASTM B488, type II, code C, class 1.27, over 50 micro inches (1.27 m) minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, including the I
7、D, measured at a depth of .040 inch minimum. The plating on non-significant surfaces in the ID shall be of sufficient thickness to ensure plating continuity and uniform utility and protection. This plating may consist of an underplate only. A silver underplate shall not be permitted. All other parts
8、 shall be silver plated to a minimum thickness of 0.0002 inches (0.005 mm) in accordance with ASTM B700. Part or Identifying Number (PIN): MS90261-703A. Cross reference. See table I. TABLE I. Cross reference. PIN Supersedes MS90261-703A UG-703/U and UG-703 A/U Changes from previous issue. The margin
9、s of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the re
10、quirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Referenced documents. In addition to MIL-DTL-27434, this document references the following: MIL-STD-202 MIL-STD-348 ASTM B488 ASTM B700 SAE-AMS-QQ-N-290 Provide
11、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS90261E 3 CONCLUDING MATERIAL Custodians: Preparing activity: Army - CR DLA - CC Navy EC Air Force 85 (Project 5935-2011-096) DLA CC Review activities: Navy AS Air Force 99 NOTE: The activities listed above w
12、ere interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
