INCH-POUND
MIL-PRF-55339/5A
10 January 2005
SUPERSEDING
MIL-PRF-55339/5
6 May 1975
PERFORMANCE SPECIFICATION SHEET
ADAPTER, CONNECTOR, COAXIAL, RADIO FREQUENCY, IN-LINE,
(WITHIN SERIES N PLUG TO SERIES N PLUG), CLASS 2
This specification is approved for use by all Departments and Agencies of the De partment of Defense.
The requirements for acquiring the product described herein shall consist of this specification sheet and
MIL-PRF-55339.
Reference Series Contact
A and B N Pin
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are in parentheses.
3. Metric equivalents are given for information only.
4. All undimensioned pictorial representations are for reference purposes only.
5. Interface dimensions shall be in accordance with MIL-STD-348.
FIGURE 1. General configuration.
AMSC N/A FSC 5935
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MIL-PRF-55339/5A
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DESIGN AND CONSTRUCTION:
General configuration: See figure 1.
Impedance: 50 ohms, nominal.
Working voltage:
Sea level: 1,000 Vrms.
70,000 feet (4.437 kPa): 250 Vrms.
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 minimum (26.69 N).
Torque: Not applicable.
Force to engage and disengage:
Longitudinal force: Not applicable.
Torque: 6 in. lb (0.68 Nm), maximum.
Coupling proof torque: 15 in. lb (1.69 Nm), minimum.
Mating chara ct eristics:
Center contact (socket): Not applicable.
Outer contact:
Minimum test ring ID: .316 inch (8.03 mm), maximum.
Ring finish: 16 microinches (0.406 µm).
Insertion force: 25 lb (111.20 N), maximum.
Insertion depth: .093 inch (2.36 mm), minimum.
Number of insertions: 1.
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MIL-PRF-55339/5A
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Maximum test ring ID: .324 inch (8.23 mm), minimum.
Test ring finish: 16 microinches (0.406 µm).
Insertion depth: .031 inch (0.79 mm), maximum.
Number of insertions: 1.
Permeability: <2.0
Seal:
Hermetic: Not applicable.
Pressurized: Not applicable.
Weatherproof: Not applicable.
Insulation resistance: 5,000 megohms, minimum.
VSWR: 1.30, maximum .5 to 11 GHz.
RF leakage (total): -90 dB, minimum, 2 to 3 GHz.
RF insertion loss: .15 dB, maximum, 9 GHz (.050 √F (GHz) dB maximum tested at 9 GHz).
Durability: 500 cycles minimum at 12 cycles/minimum, maximum. The connector shall meet the mating
characteristics and force to engage and disengage requirements.
Dielectric withstanding:
Test voltage: 2,500 Vrms, minimum (sea level).
Contact resistance (milliohms, maximum).
Contact Initial After environment
Center 1.5 2.0
Outer 0.3 N/A
Outer (-70001) 0.6 N/A
Vibration, high frequency:
Interruptions: 1 µs, maximum.
Shock: Test condit ion I .
Thermal shock: Test condi tion C.
Moisture resistan ce: 200 megohms, minimum
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MIL-PRF-55339/5A
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Corona level:
Voltage: 500 V, minimum.
Altitude: 70,000 feet (4.437 kPa), minimum.
RF high potential withstanding voltage:
RF voltage: 1,500 Vrms, minimum.
Frequency: 5 MHz, minimum.
Salt spray (corrosion): Applicable.
Coupling mechanism retention force: 100 lb (444.8 2 Nm), minimum.
Part or Identifying Number (PIN):
M55339/05-00057 or:
M55339/05-70001 CAUTION: THIS PART HAS A NICKEL PLA TED BODY AND IS NOT FOR USE
IN APPLICATIONS WHERE PASSIVE INTERMODULATION GENERATION (PIM) MAY BE A
CONCERN.
TABLE I. Cross reference of PINs.
PIN Superseded PIN or type designation 1/
M55339/05-00057 MS15507
UG-57 B/U
1/ The superseded PIN or the type designation is for cross-reference
only. Where a superseded PIN or type desig nation is not given, none
was assigned or will be assigned. The PIN: M55339/05-00057 sh all
be used in all cases for marking and id entifying the adapter.
Changes from previous issue. Marginal notations are not used in this revision to identify changes with
respect to the previous issue due to the extent of the changes.
Reference documents. In addition to MIL-PRF-55339, this document references the following:
MIL-STD-348
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MIL-PRF-55339/5A
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CONCLUDING MATERIAL
Custodians: Preparing activity:
Army - CR DLA - CC
Navy - EC
Air Force - 11 (Project 5935-4657-004)
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.
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