MIL-PRF-32517
TABLE V. Tensile strength requirement.
Matched impedance
Tensile strength
splice part number
(Pounds minimum)
M32517-RG142
85
M32517-RG179
3
M32517-RG302
40
M32517-RG316
9
M32517-RG393
125
M32517-RG400
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3.4.8 Thermal shock. When installed matched impedance splice assemblies are subjected
to five thermal shock cycles between -55 °C and +150 ºC in accordance with 4.6.6.3, there shall
be no evidence of damage to the termination, and shall meet the voltage drop and tensile strength
requirements specified in 4.6.4 and 4.6.5. Discoloration of the device insulation shall not be
cause for rejection.
3.4.9 Altitude immersion. When installed matched impedance splice assemblies are
subjected to three altitude immersion cycles between sea level and 75,000-foot altitude in
accordance with 4.6.6.1, splice assemblies shall meet the insulation resistance requirements as
described in 4.6.7.
3.4.10 Fluid immersion. When installed splice assemblies are exposed to any of the six
test fluids in accordance with 4.6.6.2, the terminations shall meet the dielectric withstanding
voltage (see 4.6.8) requirements in the applicable cable MIL-DTL-17 specification sheet.
3.4.11 Moisture resistance. The splice assembly shall be tested in accordance with
4.6.6.4. There shall be no evidence of water intrusion in the matched impedance splice.
3.4.12 Vibration. The splice assembly shall be subjected to vibration in accordance with
4.6.9. There shall be no evidence of cracking, breaking or loosening of the splice assembly and
the termination shall meet the voltage drop and tensile strength requirements specified in 4.6.4
and 4.6.5.
3.4.13 Heat aging. When installed, the matched impedance splice assembly is subjected
to heat aging at 165 °C in accordance with 4.6.10. The matched impedance splice assembly shall
meet the subsequent performance requirements in table IV. Discoloration of the device insulation
shall not be cause for rejection.
3.4.14 Flammability. The matched impedance splice shall be self-extinguishing within 5
seconds after the removal from the flame in accordance with 4.6.11. Self-extinguishing above 5
seconds due to the MIL-DTL-17 cable is not considered to be a failure.
3.4.15 Copper mirror corrosion. When matched impedance splice assemblies are tested
for 16 hours at 121 °C in accordance with 4.6.12, copper removal shall not exceed 10 percent of
the area of the mirror above the bottom 0.063 inch.
3.5 Workmanship. The splice assembly components shall be uniform in quality and
shall be free of defects detrimental to life, serviceability, or performance.
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