INCH-POUND MIL-PRF-55339/7A 25 August 2004 SUPERSEDING MIL-PRF-55339/7 6 May 1975 PERFORMANCE SPECIFICATION SHEET ADAPTER, CONNECTOR, COAXIAL, RADIO FREQUENCY, (WITHIN SERIES N), CLASS 2, STRAIGHT PLUG This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-55339. Reference A and B Series N Contact Socket NOTES: 1. Dimensions are in inches. 2. Metric equivalents are in parentheses. 3. Metric equivalents are given for general information only. 4. All undimensioned pictorial representations are for reference purposes only. 5. Interface dimensions shall be in accordance with MIL-STD-348, series N socket contact. FIGURE 1. General configuration. AMSC N/A FSC 5935 MIL-PRF-55339/7A DESIGN AND CONSTRUCTION Dimensions and configuration: See figure 1. Impedance: 50 ohms, nom. Working voltage: Sea level - 1,000 V rms. 70,000 feet (4.437 kPa) - 250 V rms. Frequency range: 0 to 11 GHz. Temperature range: -65 to +165C. PERFORMANCE (installation torque of 6 to 10 in-lb (0.68 to 1.13 Nm)) Dimensions: See figure 1and MIL-STD-348. Center contact retention: Axial force - 6 lb (26.69 N), min. Torque - Not applicable. Force to engage and disengage: Longitudinal force - Not applicable. Torque - 6 in-lb (0.68 Nm), max. Coupling proof torque: Not applicable. Mating characteristics: Center contact (socket): Oversize test pin dia. - .074 in. (1.88 mm), min. Insertion depth - .125 in. (3.18 mm), min. Number of insertions - 1. Maximum test pin (insertion force test): Steel test pin dia. - .066 in. (1.68 mm), min. Pin finish - 16 microinches (0.41 m). Insertion force - 2 lb. (8.89 N), max. No. of insertions - 1. Minimum test pin (withdrawal force): Steel test pin dia. - .063 in. (1.60 mm), max. Pin finish - 16 microinches (0.41 m). Withdrawal force - 2 oz (0.56 N), min. Number of withdrawals - 1. Outer contact: Not applicable. Permeability: <2.0. Seal: Hermetic - Not applicable. Pressurized - Not applicable. Weatherproof - Not applicable. Insulation resistance: 5,000 megohms, min. VSWR: 1.30, max .5 to 11 GHz. RF leakage (total): -90 dB, min, 2 to 3 GHz. 2 MIL-PRF-55339/7A RF insertion loss: .15 dB, max, 9 GHz (.050 F (GHz) dB max tested at 9 GHz). Durability: 500 cycles minimum at 12 cycles/min, maximum. The connector shall meet the mating characteristics and force to engage and disengage requirements. Dielectric withstanding: Test voltage - 2,500 V rms, min (sea level). Contact resistance (milliohms, max): Contact Center Outer Outer (-70001) Initial 1.5 0.2 0.4 After Environmental 2 N/A N/A Vibration, high frequency: Interruptions - 1 s, max. Shock: Test condition I. Thermal shock: Test condition C. Moisture resistance: 200 megohms, min. Corona level: Voltage - 500 V, min. Altitude - 70,000 feet (4.437 kPa), min. RF high potential withstanding voltage: RF voltage - 1,500 V rms, min. Frequency - 5 MHz, min. Salt spray (corrosion): Applicable. Coupling mechanism retention force: Not applicable. Part or Identifying Number (PIN): M55339/07-00029 or M55337/07-70001. PIN: M55339/07-70001. 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 PIN. PIN Superseded PIN or type designation 1/ M55339/07-00029 MS90576 RE49D258E UG-29C/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. The PIN M55339/07-00029 shall be used in all cases for marking and identifying the adapter. 3 MIL-PRF-55339/7A 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 CONCLUDING MATERIAL Custodians: Army - CR Navy - EC Air Force - 11 DLA - CC Preparing activity: DLA - CC (Project 5935-4657-006) Review activities: Army - AR, AT, EA, 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. 4