Cannon
KJA/KJB 38999-Style
Series III Composite
Designed to support mission critical applications with
improved reliability and an average 30% weight
reduction
Features and Benefits
KJA/KJB 38999-Style Series III Composite: Our
customizable product demonstrates our
continued focus on meeting customer demands.
Why customers benefit from choosing ITT‘s
MIL-DTL-38999 Composite:
• Composite construction delivers 4X the corrosion
resistance of standard OD Cad and 50X Nickel
• 100% scoop proof design
• Global manufacturing locations offer specific
regional design requirements and provide optimized
local sourcing options
• Full line offered by broad network of authorized
stocking and value-added distributors
ITT Cannon brings significant experience in
manufacturing the 38999-style connector series.
Throughout the years, we have made many
advances in its design, resulting in continuous
improvements in performance, quality and
affordability. These improvements also allow ITT
Cannon to bring innovative products to market,
such as our KJA/KJB 38999-Style Series III
Composite (Class J & M) for harsh environment
military and aerospace applications.
Applications
• Military communication systems
• Military / Commercial aviation
• Hand held and vehicle platforms
• Military ground support and computer systems
• Aerospace launch vehicles
• Heavy equipment
• Rail
Technical overview
1000-2300 VAC rms at sea level
-65°C up to 200°C
Our products do what we say they will do
Laser Marking of Cavity
Identification
White background provides
visual clarity for improved
assembly accuracy
Provides greater ease of
coupling while maintaining
the reliability of 38999-Style
Anti-Vibration System
3 to 128 way layouts
Wire range: Size 16-28
For more information please visit our website at www.ittcannon.com
Product Performance
Series Plating
Finish
Finish
Modification
Code
Color Durability Temperature
Range EMI Shielding Shell-Shell
Conductivity
Corrosion
Resistance
KJB Olive Drab
Cadmium Class ‘J’ Olive Drab 1,500 cycles -65°C to
+175°C
>90dB at
100 MHz>
>50dB at 10GHz
3.0mV max 2,000hrs salt
spray
KJB Electroless
Nickel Class ’M’ Reflective 1,500 cycles -65°C to
+200°C
>90dB at
100 MHz>
>65dB at 10GHz
3.0mV max 2,000hrs salt
spray
Insert Availability & Identification
Shell
Size
Contact
Arr.
Service
Rating†
Contact Size
22D 20 16
935 M 6
9 98 I 3
11 5 I5
11 35 M13
11 98 I 6
13 8 I 8
13 35 M 22
13 98 I 10
15 5 II 5
15 18 I18
15 19 I19
15 35 M37
15 97 I 8 4
17 826 II 8
17 35 I 26
17 11 M55
19 32 II 11
19 32 I 32
19 35 M 66
21 35 M79
21 41 I41
23 21 II 21
23 35 M100
23 53 I53
23 55 I55
25 29 I 29
25 35 M128
25 61 I61
How-To-Order Guide
Military Nomenclature
CONNECTOR TYPE
SHELL STYLE
SERVICE CLASS
(HARDWARE FINISH)
SHELL SIZE
CONTACT ARRANGEMENT
CONTACT STYLE
POLARIZING POSITION
D38999-Style /20 M C 35 A N
CONNECTOR TYPE
KJA/KJB 38999-Style Series III Composite
SHELL STYLE
/20 - Wall mount receptacle
/26 - Straight Plug, Grounded
SERVICE CLASS (HARDWARE FINISH)
M - Electroless nickel
-65°C to +200°C, RoHS Compliant
J - Olive drab cadmium over electroless nickel
plate. -65°C to +175°C
SHELL SIZE
CONTACT ARRANGEMENT
Refer to Insert Availability Identification Chart
A B C D E F G H J
911 13 15 17 19 21 23 25
Military Designation
Cannon Designation
*Used only when other than power contacts are to be installed (i.e., shielded, thermocouple, etc.)
Note: To order MS connectors less standard power contact, Purchase order must state “Less Contacts” † See Table I in
38999L-Style for Service Rating Definitions
CONTACT STYLE
P - Pin contact
S - Socket contact
H - Pin contact (1,500 cycles)
J - Socket contact (1,500 cycles)
A - Less pin contacts*
B - Less socket contacts*
POLARIZING POSITION
N (Normal), A, B, C, D, E
Cannon Nomenclature
SERIES PREFIX
SHELL STYLE
CLASS
SHELL SIZE
HARDWARE FINISH
CONTACT ARRANGEMENT
CONTACT STYLE
POLARIZING POSITION
MODIFICATION
KJB 0T13 M35 P
SERIES PREFIX
KJB - Series III - scoop proof,
threaded coupling
SHELL STYLE
0 - Wall mount receptacle
6 - Straight plug
CLASS
T - Environmental-resistant
(without rear accessory)
SHELL SIZE
HARDWARE FINISH
M - Electroless nickel
-65°C to +200°C, RoHS Compliant
J - Olive drab cadmium over electroless nickel plate.
-65°C to +175°C
CONTACT ARRANGEMENT
Refer to Insert Availability Identification Chart
911 13 15 17 19 21 23 25
A B C D E F G H J
Cannon Designation
Military Designation
CONTACT STYLE
P - Pin contacts
S - Socket contacts
H - Pin contact (1,500 cycles)
J - Socket contact (1,500 cycles)
A - Less pin contacts*
B - Less socket contacts*
POLARIZING POSITION
N (Normal), A, B, C, D, E
MODIFICATION CODE
L - Less contacts, not stamped on connector
N L
The “ITT Engineered Blocks“ symbol, “Engineered for life," “ITT”
and “Cannon“ are registered trademarks of ITT Inc. Specification
and other data are based on information available at the time of
printing, and are subject to change without notice.
Our facility is not currently certified by the DLA and this product
is not covered by the QPL/QML.
©2017 ITT Inc.
ITT Cannon KJA/KJB 38999-Style Composite Brochure | 20170720
