1、MIL-DTL-27434/21A 22 May 2008 SUPERSEDING MIL-A-27434/21 28 September 1960 DETAIL SPECIFICATION SHEET ADAPTER, CONNECTOR, COAXIAL, RADIOFREQUENCY, BETWEEN SERIES, SERIES BNC to SERIES SM TYPE UG-691/U This specification is approved for use by all Departments and Agencies of the Department of Defense
2、 The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-27434. Inches mm Inches mm .001 0.03 .002 0.05 .003 0.08 .015 0.38 .038 0.97 .147 3.73 .184 4.67 .205 5.21 .320 8.13 .515 13.08 .595 15.11 1.094 27.79 FIGURE 1. Type UG691/U connector a
3、dapter. AMSC N/A FSC 5935 Inactive for new design after 19 February 1982 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-27434/21A 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unles
4、s otherwise specified dimensional tolerances are .005 inches. 4. The lockwasher shall have the following characteristics: externally toothed, phosphor bronze, silver plated, 0.398 inch maximum and 0.384 inch minimum inside diameter; 0.694 inch maximum and 0.670 minimum outside diameter. 5. The finis
5、hed jam nut shall have the following characteristics: .375-32 UNEF-2B, brass, 0.551 inch minimum across flats, 0.093 inch thick. FIGURE 1. Type UG691/U connector adapter Continued. ENGINEERING DATA: Impedance: 50 ohms, nominal. Voltage rating: 100 V rms, maximum at sea level. Temperature rating: -65
6、 C to +165 C. REQUIREMENTS: Dimensions and configuration: See figure 1. Mating characteristics: Series BNC socket contact in accordance with MIL-STD-348, and series SM pin contact interface shall be in accordance with MIL-DTL-27434 after assembly. Corrosion: Applicable. Vibration: Applicable. Shock:
7、 Applicable. Leakage: The adapter shall be subjected to a gage pressure test of 50 pounds per square inch applied at one end, and the whole adapter immersed in water at 20C. The adapter shall remain immersed in water for at least 20 seconds. When the adapter is under test there shall be no evidence
8、of loss of pressure as detected by escaping air bubbles. Part or Identifying Number (PIN): UG-691/U. Supersession: This document supersedes drawing MS35114 (SigC). Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due
9、 to the extent of the changes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-27434/21A 3 Referenced documents. In addition to MIL-DTL-27434, this document references the following: MIL-STD-348 SC-C-72209 SC-C-72302 SC-B-72212 SC-B-72303 CON
10、CLUDING MATERIAL Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5935-2007-007) DLA - CC Review activities: Navy - SH Air Force - 99 NOTE: The activities listed above were 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
