INCH-POUND MIL-PRF-55339/25C 17 September 2004 SUPERSEDING MIL-A-55339/25B 23 March 1988 PERFORMANCE SPECIFICATION SHEET ADAPTER, CONNECTOR, COAXIAL, RADIO FREQUENCY, IN-LINE, JAMNUT MOUNTED, (BETWEEN SERIES BNC JACK TO SERIES N JACK), CLASS 2 This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the document described herein shall consist of this specification sheet and MIL-PRF-55339. Reference A B Series BNC N Contact Socket Socket FIGURE 1. General configuration. AMSC N/A FSC 5935 MIL-PRF-55339/25C NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. All undimensioned pictorial representations are for reference purposes only. 4. Interfaces shall be in accordance with MIL-STD-348, series BNC socket contact and series N socket contact. Inches .002 .022 .062 .120 .130 .263 .300 .526 .531 .532 mm 0.05 0.58 1.57 3.05 3.30 5.68 7.62 13.36 13.49 13.51 Inches .543 .625 .630 .645 .745 .755 .900 1.014 1.038 1.071 1.781 mm 13.79 15.88 16.00 16.38 18.92 19.18 22.86 25.76 26.37 27.20 45.24 FIGURE 1. General configuration - Continued. DESIGN AND CONSTRUCTION General configuration: See figure 1. Impedance: 50 ohms, nom. Working voltage: Sea level - 500 V rms. 70,000 feet (4.437 kPa) - 125 V rms. Frequency range: 0 to 4 GHz. Temperature range: -65 to +165C. PERFORMANCE (installation torque of 6 to 10 in. lb (0.68 to 1.13 Nm), series N) Dimensions: See figure 1 and MIL-STD-348. Center contact retention: Axial force (pounds, minimum) Torque (ounce-inch, minimum) Series BNC 6 (26.7 N) N/A Series N 6 (26.7 N) N/A Force to engage and disengage: Longitudinal force (pounds, maximum) Torque (inch-pounds, maximum) Series BNC 3.0 (13.3 N) 2.5 (0.34 Nm) 2 Series N N/A 6.0 (0.68 Nm) MIL-PRF-55339/25C Coupling proof torque: Not applicable. Mating characteristics: Center contact (socket): Oversize test pin diameter (inch, minimum): Insertion depth (inch, minimum) Number of insertions Maximum test pin (insertion force test): Steel test pin diameter (inch, minimum) Pin finish (microinches) Insertion force (pounds, maximum Number of insertions Minimum test pin (withdrawal force): Steel test pin diameter (inch, minimum) Pin finish (microinches) Withdrawal force (ounces, minimum) Number of withdrawals Series BNC .057 (1.45 mm) .125 (3.17 mm) 1 Series N .074 (1.88 mm) .125 (3.17 mm) 1 .054 (1.37 mm) 16 (0.407 m) 2(8.89 N) 1 .066 (1.68 mm) 16 (0.407 m) 2 (8.89 N) 1 .052 (1.32 mm) 16 (0.407 m) 2 (0.56 N) 1 .063 (1.60 mm) 16 (0.407 m) 2 (0.56 N) 1 Outer contact: Not applicable. Permeability: < 2.0. Seal: Hermetic - Not applicable. Pressurized - 30 psi (207 kPa) minimum. Weatherproof - 30 lbf/in2 (207 kPa). Insulation resistance: 5,000 megohms, minimum. Voltage standing wave ratio (VSWR): 1.30, max .5 to 4 GHz. RF leakage (total): -55 dB, min, 2 to 3 GHz. RF insertion loss: .2 dB, max, 3 GHz (.012 F (GHz) dB max tested at 3 GHz). Durability: 500 cycles minimum at 12 cycles/min max. The connector shall meet the mating characteristics and force to engage and disengage requirements. Dielectric withstanding: Test voltage - 1,500 V rms, minimum (sea level). Contact resistance (milliohms, max). Contact Center Outer Outer (-70001) Initial 2.0 0.2 0.4 After 2.5 N/A N/A Vibration, high frequency: Interruptions - 1 microsecond (s), maximum. Shock: Test condition I. Thermal shock: Test condition C. 3 MIL-PRF-55339/25C Moisture resistance: 200 megohms, minimum. Corona level: Voltage - 375 V, minimum. Altitude - 70,000 feet (4.437 kPa), minimum. RF high potential withstanding voltage: RF voltage - 1,000 V rms, minimum. Frequency - 5 MHz, minimum. Salt spray (corrosion): Applicable. Coupling mechanism retention force: Not applicable. Part or Identifying Number (PIN): M55339/25-00606. PIN: M55339/25-70001. CAUTION: THIS PART HAS A NICKEL PLATED BODY AND IS NOT FOR USE IN APPLICATIONS WHERE PASSIVE INTERMODULATION GENERATION (PIM) MAY BE A CONCERN. Cross reference: See table I. TABLE I. Cross reference of PINs. PIN Superseded PIN or type designation 1/ M55339/25-00606 51C12929 UG-606/U 1/ The superseded PIN or the type designation is for cross reference only. Where a superseded PIN or type designation is not given, none was assigned or will be assigned. PIN M55339/25-00606 shall be used in all cases for marking and identifying the adapter. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Referenced documents. In addition to MIL-PRF-55339, this document references the following: MIL-STD-348 4 MIL-PRF-55339/25C CONCLUDING MATERIAL Custodians: Army - CR Navy - EC Air Force - 11 DLA - CC Preparing activity: DLA - CC (Project 5935-4657-024) Review activities: Army - AR, AT, MI Navy - AS, MC, OS, SH Air Force - 19, 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. 5