18 www.ittcannon.com
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
Jam Nut Receptacle
Panel Cutouts
D38999/24 KJA7T
9
VTHREAD
R THREAD
.520 (13.2) MAX. .062 (1.57) MIN./.125 (3.18) MAX.
PANEL THICKNESS
S
Z
A
M
P
B
THREAD
SC
FLAT
BLUE BAND
(INDICATES REAR
RELEASE CONTACT
RETENTION SYSTEM)
RED BAND
(FULLY MATED
INDICATOR BAND)
Shell
Size
MS
Shell size
Code
M
+.005 (.130)
-.004 (.100)
P
+.016 (.410)
-.004 (.100)
Metric R
Thread
(Plated)
S
Z
+.005 (.130)
-.040 (.100)
C
+.004 (.100)
-.010 (.250)
A
+.010 (.250)
-.005 (.130)
B Thread
Class 2A
(Plated)
Metric V
Thread
(Plated)
9
11
13
15
17
19
21
23
25
A
B
C
D
E
F
G
H
J
.104 (2.64)
.104 (2.64)
.104 (2.64)
.104 (2.64)
.104 (2.64)
.135 (3.43)
.135 (3.43)
.135 (3.43)
.135 (3.43)
.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
.651 (16.53)
.751 (19.07)
.938 (23.82)
1.062 (26.97)
1.187 (30.15)
1.312 (33.32)
1.437 (36.50)
1.562 (39.67)
1.687 (42.85)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
1.243 (31.57)
.871 (22.12)
.871 (22.12)
.878 (22.30)
.878 (22.30)
.878 (22.30)
.878 (22.30)
.878 (22.30)
.878 (22.30)
.878 (22.30)
.555 (14.10)
.555 (14.10)
.563 (14.30)
.563 (14.30)
.563 (14.30)
.563 (14.30)
.563 (14.30)
.563 (14.30)
.563 (14.30)
1.062 (26.97)
1.250 (31.75)
1.375 (34.92)
1.500 (38.10)
1.625 (41.28)
1.812 (46.02)
1.938 (49.23)
2.062 (52.37)
2.188 (55.38)
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
M17X1-6g0.100R
M20X1-6g0.100R
M25X1-6g0.100R
M28X1-6g0.100R
M32X1-6g0.100R
M35X1-6g0.100R
M38X1-6g0.100R
M41X1-6g0.100R
M44X1-6g0.100R
Performance Specifications-Pages 3 and 4.
Contacts, Sealing Plugs, Assembly Tools - Pages 22, 28, and 29.
Contact Arrangements - Pages 20 and 21.
Wall Mounted Receptacle Jam Nut Receptacle
Shell
Size
R1
(TP)
R2
(TP)
T
(Max.)
9
11
13
15
17
19
21
23
25
.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)
.626 (15.90)
.751 (19.08)
.876 (22.25)
1.001 (25.43)
1.188 (30.18)
1.251 (31.78)
1.376 (34.95)
1.511 (38.38)
1.626 (41.30)
.134 (3.40)
.134 (3.40)
.134 (3.40)
.134 (3.40)
.134 (3.40)
.134 (3.40)
.134 (3.40)
.160 (4.06)
.160 (4.06)
.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)
R1
R2
H
T
B
+.000 (.00)
-.010 (.25)
.670 (17.02)
.771 (19.58)
.955 (24.26)
1.085 (27.56)
1.210 (30.73)
1.335 (33.91)
1.460 (37.08)
1.585 (40.26)
1.710 (43.43)
A
+.010 (.25)
-.000 (.00)
.700 (17.78)
.825 (20.96)
1.010 (25.65)
1.135 (28.83)
1.260 (32.00)
1.385 (35.18)
1.510 (38.35)
1.635 (41.53)
1.760 (44.70)
B
A
H
+.010 (.25)
-.000 (.00)
Cannon KJA/KJB
MIL-DTL-38999 Series III Connectors
