MIL-PRF-55339/3A
25 August 2004
SUPERSEDING
MIL-PRF-55339/3
6 May 1975
PERFORMANCE SPECIFICATION SHEET
ADAPTER, CONNECTOR, COAXIAL, RADIO FREQUENCY, RIGHT ANGLE,
(WITHIN SERIES N PLUG TO SERIES N JACK), CLASS 2
This specification is approved for use by all Departments
and Agencies of the Department of Defe nse.
The requirements for acquiring the product described herein shall
consist of this specification sheet and MIL-PRF-5 5339.
Reference Series Contact
A N Pin
B N Socket
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. All undimensioned pictorial repre sentations are for reference purposes only.
4. Interface dimensions shall be in accordance with MIL-STD-348, series N pin contact and series
N socket contact.
FIGURE 1. General configuration.
AMSC N/A FSC 5935
INCH-POUND
MIL-PRF-55339/3A
2
DESIGN AND CONSTRUCTION
General configuration: See figure 1.
Impedance: 50 ohms, nominal.
Working voltage: Sea level – 1,000 V rms.
70,000 feet (4.437kPa) – 250 V rms.
Frequency range: 0 to 11 GHz.
Temperature range: -65º to +165ºC.
PERFORMANCE (install ation torque of 6 to 10 in-lb (0.68 to 1.13 Nm))
Dimensions: See figure 1 and MIL-STD-348.
Center contact retention: Axial force – 6 lb (26.69 N), min.
Torque – Not applicable.
Force to engage and disengage: Longi tudinal force – Not applicable.
Torque – 6 in-lb (0.68 Nm ), max.
Coupling proof torque: 15 in-lb (1.69 Nm), min.
Mating chara ct eristics:
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.
Max test pin (insertion force test):
Steel test pin dia.- .066 in. (1.68 mm), min.
Pin finish – 16 microinches (0.41 µm).
Insertion force – 2 lb. (8.89 N), max.
Number of insertions – 1.
Min test pin (withdrawal force):
Steel test pin dia. - .063 in. (1.60 mm), max.
Pin finish – 16 microinches (0.41 µm).
Withdrawal force – 2 oz. (0.56 N) min.
Number of withdrawals – 1.
Outer contact:
Min test ring ID - .316 in. (8.03 mm), max.
Ring finish – 16 microinches (0.41 µm).
Insertion force – 25 lb. (111.2 N), max.
Insertion depth - .093 in. (2.36 mm), min.
Number of insertions – 1.
Max test ring ID - .324 in. (8.23 mm), min.
Test ring finish – 16 microinches (0.41µm).
Insertion depth - .031 in. (0.79 mm), max.
Number of insertions – 1.
Permeability: <2.0.
Seal: Hermetic – Not applicable.
Pressurized – Not applicable.
Weatherproof – Not applicable.
MIL-PRF-55339/3A
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Insulation resistance: 5,000 megohms, min.
VSWR: 1.35, max at .5 to 9 GHz; 1.5, max at 9 to 11 GHz.
RF leakage (total): Not applica ble.
RF insertion loss: .28 dB, max, 9 GHz (.094 √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 Initial After environment
Center 2.5 3.0
Outer 0.2 N/A
Outer (-70001) 0.4 N/A
Vibration, high frequency: Interruptions – 1 µs, max .
Shock: Test condit ion I .
Thermal shock: Test condi tion C.
Moisture resistan ce: 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: 100 lb (444.8 2 N), min.
Part or Identifying Number (PIN): M55339/03-00027 or M55339/03-70001.
PIN: M55339/03-70001. CAUTION: THIS PART H A S A NICKEL PLATED BODY AND IS NOT FOR
USE IN APPLICATIONS WHERE PAS SIVE INTERMODULATION GENERATI ON (PIM) MAY BE A
CONCERN.
Cross reference: See table I.
MIL-PRF-55339/3A
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TABLE I. Cross reference of PIN.
PIN Superseded PIN or type designation 1/
M55339/03-00027 MS90156
UG-27D/U
1
/ The superseded PIN or the type desi gnation is for cross reference only. Where a
superseded PIN or type designation is not given; none was assig ned or will be
assigned. The PIN M55339/03-00027 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-55 339, this document references the following:
MIL-STD-348
CONCLUDING MATERIAL
Custodians: Preparing activity:
Army – CR DLA - CC
Navy – EC
Air Force – 11 (Project 5935-4657-002)
DLA - CC
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 documen t as of the date of this document.
Since organizations and responsibilities can change, you sho uld verify the currency of the information
above using the ASSIST Online database at http://assist.daps.dla.mil.
