MIL-DTL-12520/11B
REQUIREMENTS
Connectors covered by this specification shall have the electrical ratings specified in table I.
TABLE I. Electrical ratings.
Limiting operating
Nominal
voltage (sea level)
current
Connector type
AC
DC
Amperes
UW2026FC00
900
1,250
22
UW2026FD00
500
700
22
500
700
11
UW2026FE00
700
11
UW2026FF00
500
73
UW2026FG00
900
1,250
Dimensions and configurations: See figures 1 and 2.
Design and construction: Connectors shall be of the design, construction, and physical dimensions
specified on figure 1.
Mounting nut: The mounting nut shall be as specified on figure 2. Material shall be brass conforming
to ASTM-B36 and ASTM-B121, and shall be cadmium plated in accordance with class 1, type II, of
SAE-AMS-QQ-P-416. The resulting finish shall be olive drab in color.
Voltage drop: Voltage drop not to exceed 21 millivolts for insert-arrangements C and D, 20 millivolts for
insert-arrangement E and F and 12 millivolts for insert-arrangement G. The test current of 20 amperes
DC for insert-arrangements C and D, 10 amperes for insert-arrangements E and F, and 60 amperes for
insert-arrangement G.
This receptacle connector mates with MIL-C-12520/18.
Dielectric withstanding voltage: Test in accordance with MIL-DTL-12520 except that the connectors
with insert-arrangements C and G are subjected to a test potential of 2,800 V rms. Connectors with
insert-arrangements D, E, and F shall be subject to a test potential of 2,800 V.
Cover and chain assemblies: Cover and chain assemblies are in accordance with style 3X in
MIL-C-12520/12.
Marginal notations are not used in this revision to identify changes with respect to the previous issue
due to the extensiveness of the changes.
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