78www.conesys.com sales@aero-electric.com
MIL–DTL– 26482 S 2
AC3475
Arctic Coupling Nut, RFI Plug
Bayonet Coupling, Crimp Removable, Rear Release
AC3475 – 10- 7 P N
– –
Page 80 Contacts, Sealing Plugs and Tools
Pages 84, 85 Insert Arrangements
Page 70 Performance Specifications
Pages 82, 83 Insert Availability and Contact Information
Page 82 Polarization
Note: AC3475 Arctic Coupling Nut, RFI Plug is available
to Aero-Electric part number only. Mating part is AC3474
which is same as AE774 on page 75. Additional mates are
AC3470 (same as AE770 on page 72), AC3471 (same as
AE771 on page 73)and AC3472 (same as AE772 on page 74).
Shell
Size
[A[B[C D [E
Accessory Thread
Maximum ±.003 ±.08 Maximum Class 2A Maximum
inch mm inch mm inch mm inch mm
8.285 7.24 .355 9.02 .900 22.86 1/2-20UNF .305 7.75
10 .402 10.21 .483 12.27 1.010 25.65 5/8-24UNEF .405 10.29
12 .516 13.11 .595 15.11 1.180 29.97 3/4-20UNEF .531 13.49
14 .641 16.28 .720 18.29 1.310 33.27 7/8-20UNEF .665 16.89
16 .766 19.46 .845 21.46 1.510 38.35 1-20UNEF .790 20.07
18 .855 21.72 .945 24.00 1.620 41.15 1-1/16-18UNEF .869 22.07
20 .980 24.89 1.070 27.18 1.740 44.20 1-3/16-18UNEF .994 25.25
22 1.105 28.07 1.195 30.35 1.850 46.99 1-5/16-18UNEF 1.119 28.42
24 1.229 31.22 1.320 33.53 1.980 50.29 1-7/16-18UNEF 1.244 31.60
RFI STRIP
[
B
[
C
MAX
COUPLING NUT
1.230(31.24)
MAX
.190 (4.83)
.130 (3.30)
GROMMET EXTENSION
[
E
MAX
GROMMET
.290
(7.37)
MIN
FULL THREAD
D
ACCESSORYTHREAD
MASTER KEY
4MINOR KEYS
3ACCESSORY TEETH
EQUALLY SPACED
[
A
MAX
INSERT
Aero Prefix
Class (Material and Finish)
–= Aluminum shell, cadmium olive drab over nickel
ZC = Aluminum shell, zinc cobalt finish
Shell Size
8, 10, 12, 14, 16, 18, 20, 22 or 24
Polarization
N= Normal (N included in part number marking)
A,B,C,D,Eor F(Alternate key positions)
and W, X, Y or Z(Alternate insert clocking positions)
Contact Style
P= Pin
S= Socket
Layout
See pages 82 thru 85
