MIL-PRF-39012/1H
REQUIREMENTS:
Design and configuration: See figures 1, 2, 3, and 4.
Force to engage and disengage:
Longitudinal force: Not applicable.
Torque: 6 inch-pounds (.68 Nm) maximum.
Coupling proof torque: 15 inch-pounds (1.69 Nm) minimum.
Inspection conditions: Coupling torque: 6 to 10 inch-pounds (.68 to 1.13 Nm).
Mating characteristics: In accordance with MIL-STD-348 and figure 2.
Outer contact:
Test ring ID: .316 inch (8.03 mm) maximum, 16 microinch (0.406 µm) finish.
Insertion force: 25 pounds (111.20 N) maximum when inserted a minimum of .093 inch (2.36 mm).
Contacts with slotted members: Shall contact a .324 inch (8.23 mm) minimum diameter ring within
.031 inch (0.79 mm) of their tip ends.
Hermetic seal: Not applicable.
Leakage (pressurized connectors): Not applicable.
Insulation resistance: Method 302 of MIL-STD-202, test condition B. 5,000 megohms minimum.
Center contact retention: (Applicable to captivated-center-contact connectors only.) 15 pounds
(66.72 N) minimum axial force for all cables except RG400 and RG142; 6 pounds (26.69 N) minimum for
RG400 and RG142.
Corrosion (salt spray): Method 101 of MIL-STD-202, test condition B.
Voltage standing wave ratio (VSWR): From 500 to 11 GHz, or approximately 80 percent of upper cutoff
frequency of the cable, whichever is lower; 1.30 maximum (1.45 maximum at 11 GHz for X503 and
X504).
Swept frequency VSWR test setup:
Item 6: VSWR shall be less than 1.008 + .002 F (F in GHz).
Item 16: VSWR shall be less than 1.008 + .002 F (F in GHz).
Second step of VSWR checkout procedure: VSWR shall be less than 1.012 + .004 F (F in GHz).
Group B inspection: VSWR shall be less than 1.024 + .007 F (F in GHz).
Qualification and group C inspection VSWR shall not exceed 1.08.
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