17
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Dimensions shown in mm
Specifications and dimensions subject to change
MIL-DTL-38999 Series III Connectors
Cannon KJA
Wall Mount Receptacle
Straight Plug Grounded
D38999/20
Shell
Size
MS
Shell size
Code
B Thread
Class 2A
(Plated)
M
+.000 (.000)
-.005 (.130)
T
+.004 (.100)
-.002 (.050)
TT
+.004 (.100)
-.002 (.050)
Z
+.005 (.130)
-.010 (.250)
Metric V
Thread
(Plated)
W
Max.
S
+_.012 (.300)
R 1
R 2
R
1
R
2
KJA0T**
9
11
13
15
17
19
21
23
25
A
B
C
D
E
F
G
H
J
.6250-0.1P-0.3L-TS
.7500-0.1P-0.3L-TS
.8750-0.1P-0.3L-TS
1.0000-0.1P-0.3L-TS
1.1875-0.1P-0.3L-TS
1.2500-0.1P-0.3L-TS
1.3750-0.1P-0.3L-TS
1.5000-0.1P-0.3L-TS
1.6250-0.1P-0.3L-TS
.820 (20.83)
.790 (20.07)
.719 (18.26)
.812 (20.62)
.906 (23.01)
.969 (24.61)
1.062 (26.97)
1.156 (29.36)
1.250 (31.75)
1.375 (34.92)
1.500 (38.10)
.594 (15.09)
.719 (18.26)
.812 (20.62)
.906 (23.01)
.969 (24.61)
1.062 (26.97)
1.156 (29.36)
1.250 (31.75)
1.375 (34.92)
.938 (23.83)
1.031 (26.19)
1.125 (28.58)
1.219 (30.96)
1.312 (33.32)
1.438 (36.53)
1.562 (39.67)
1.688 (42.88)
1.812 (46.02)
.128 (3.25)
.154 (3.91)
.216 (5.49)
.194 (4.93)
.173 (4.39)
.194 (4.93)
.242 (6.15)
M12X1-6g0.100R
M15X1-6g0.100R
M18X1-6g0.100R
M22X1-6g0.100R
M25X1-6g0.100R
M28X1-6g0.100R
M31X1-6g0.100R
M34X1-6g0.100R
M37X1-6g0.100R
.098 (2.50)
.126 (3.20)
1.235 (31.36)
Z
W
MAX.
V THREAD
M
B
THREAD
S
T
4 PLACES
.520 (13.20) MAX
BLUE BAND
(INDICATES REAR
RELEASE CONTACT
RETENTION SYSTEM)
TT 4 PLACES
RED BAND
(FULLY MATED
INDICTAOR BAND)
.230 MAX PANEL
THICKNESS (including mounting hardware)
KJA6T**
D38999/26
Shell
Size
MS
Shell size
Code
B
+.008 (.200)
-.000 (.000)
W
+.008 (.200)
-.004 (.100)
D Thread
Class 2B
(Plated)
K
Max.
L
Max.
Q
Dia Max.
9
11
13
15
17
19
21
23
25
A
B
C
D
E
F
G
H
J
.724 (18.40)
.831 (21.10)
1.000 (25.40)
1.130 (28.70)
1.268 (32.20)
1.374 (34.90)
1.500 (38.10)
1.618 (41.40)
1.744 (44.30)
.6250-0.1P-0.3L-TS
.7500-0.1P-0.3L-TS
.8750-0.1P-0.3L-TS
1.0000-0.1P-0.3L-TS
1.1875-0.1P-0.3L-TS
1.2500-0.1P-0.3L-TS
1.3750-0.1P-0.3L-TS
1.5000-0.1P-0.3L-TS
1.6250-0.1P-0.3L-TS
Q
D THREAD
W
L
B
V THREAD
.185 (4.70) +_ .016 (0.40)
BLUE BAND
(INDICATES REAR
RELEASE CONTACT
RETENTION SYSTEMS
K
.244 (6.20)+.012 (0.30)
-.000 (0.00)
.748 (19.00)
.862 (21.90)
1.027 (26.10)
1.153 (29.30)
1.291 (32.80)
1.398 (35.50)
1.524 (38.70)
1.642 (41.70)
1.768 (44.90)
1.234 (31.34)
.859 (21.82)
.969 (24.61)
1.141 (28.98)
1.266 (32.16)
1.391 (35.53)
1.500 (38.10)
1.625 (41.28)
1.750 (44.45)
1.875 (47.62)
.760 (19.30)
Metric V
Thread
(Plated)
M12X1-6g0.100R
M15X1-6g0.100R
M18X1-6g0.100R
M22X1-6g0.100R
M25X1-6g0.100R
M28X1-6g0.100R
M31X1-6g0.100R
M34X1-6g0.100R
M37X1-6g0.100R
Performance Specifications-Pages 3-4
Contacts, Sealing Plugs, Assembly Tools - Pages 22, 27-28
Contact Arrangements - Pages 20-21