MIL-PRF-55339 Adapters, Connectors, Coaxial, Radio Frequency, \(Between Series And Within Series\), General Specification ForThis specification covers the performance requirements and tests for between series and within series, radio frequency \(RF\), coaxial connector adapters.

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4.5.3

Force to engage/disengage

3.7

4.5.4

Coupling proof torque (threaded adapters)

3.8

4.5.5

Mating characteristics

3.9

4.5.6

Permeability (not applicable to hermetic-sealed adapters)

Workmanship

Hermetic seal (pressurized adapters only)

3.10.1

4.5.7.1

Leakage (pressurized adapters only)

3.11

4.5.8

Insulation resistance

Group II

VSWR

RF leakage 1/

RF insertion loss 1/

Adapter durability

Force to engage/disengage

4.5.3

4.5.4

Coupling proof torque (threaded adapters)

3.7

4.5.5

Mating characteristics

VSWR

Dielectric withstanding voltage

3.16

Group III

Contact resistance (center contact)

Vibration, high frequency 1/

4.5.15

3.18

Contact resistance (center contact)

Shock (specified pulse) 1/

4.5.16

3.19

Contact resistance (center contact)

Dielectric withstanding voltage

4.5.13

3.16

Contact resistance (center contact)

Thermal shock (hermetic sealed adapters)

4.5.17

3.20

Dielectric withstanding voltage

4.5.13

3.16

Contact resistance (center contact)

Moisture resistance

Dielectric withstanding voltage

Corona level 1/

Hermetic seal (pressurized adapters only)

3.10

4.5.7.1

Leakage (pressurized adapters only)

3.10.1

4.5.20

RF high potential withstanding voltage 1/

3.23

4.5.21

Corrosion (Salt spray)

3.24

4.5.3

Force to engage/disengage

Coupling mechanism retention force (when applicable see

Force to engage/disengage