MS/CV345*
MIL-C-5015 Rear Release Connectors
Standard Circular High Environmental Connectors
– These connectors are available for many applica-
tions, from commercial/industrial and mass trans-
portation systems to the most s stringent high relia-
bility military and space requirements.
The MS/CV345* connector manufactured by ITT
Cannon to MIL-C-5015 (Navy) is a threaded coupling,
removable rear release crimp contact type. Fully inter-
mateable with existing MIL-C-5015 and threaded MIL-
C-83723 Series II (USAF) type connectors, they pro-
vide for minimum effort and high economy upgrades
for existing applications. In addition, the offer simpli-
fied design for new and interphase equipment.
MS/CV connectors converted under MIL-C-5015 (Navy)
utilize fluid resistant elastomers to provide maximum
protection against degrading fuels, oils, coolants and
cleansers.
Temperature withstanding capabilities range from -
55ºC to +200ºC depending upon the class. The use
of electroless nickel and cadmium plating for hard-
ware finishes gives the connectors maximum protec-
tion from the above factors. High quality manufactur-
ing processes and materials combine to insure the
optimum performance and materials combine to
insure the optimum range of environmental condi-
tions.
The MS/CV connector manufactured by ITT Cannon is
available in five shell styles and 72 contact arrange-
ments accommodating from 1 to 52 contact (sizes 0,
4, 8, 12, and 16).
This connectors series is manufactured to accommo-
date the following backshells: M85049/43 (MS3415),
M8504/31 or /60 (MS3416), M85049/52 (MS3417),
M85049/51 (MS 3418) and M85049/26 (MS3419).
Shell polarization is effected by a single keyway and
key, standard MS polarization positions are available
to prevent mismating.
*For information regarding MIL-C-83723 Series II (CVA) connec-
tors, please call ITT Cannon, 714-557-4700
A
Circular
Features
Universal Insertion/Extraction Tool Style
– A single,
expendable plastic tool is used for insertion and
extraction of both pins and sockets. Tool never touch-
es engaging ends of contacts, cannot damage insert.
Simple, Strong Contact Design
– One basic configu-
ration eliminates undercuts, maximizes bend resist-
ance for positive contact mating.
Interfacial Pin Insert Seal
– Universal interconnect
permits design of raised moisture barriers around
each pin which mate into lead-in chamfers of hard
face socket insert for individual contact sealing.
Interfacial seal is never touched by service tools.
Superior Contact Stability
– “Closed-down” design
of each contact cavity in the insulator support each
contact, minimizes contact splaying.
Closed Entry Socket Insert
– Hard dielectric socket
face of mating connector has lead-in chamfers for
positive alignment of pins and sockets.
Simplified Assembly Operations
– One standard pro-
cedure for assembling connectors and contacts, stan-
dard MS crimp tools, all servicing of contacts accom-
plished from the rear of the connector.
How to Order
CV
MS
PREFIX
MS - Complies with MIL-C-5015
CV - ITT Cannon Prefix
SHELL STYLES
MS3450 - Wall Mounting Receptacle
MS3451 - Cable Connecting Receptacle
MS3456 - Cable Connecting Plug
MS3459 - Cable Connecting Plug with Self-
Locking Coupling Nut
CV3450 - Wall Mounting Receptacle
CV3451 - Cable Connecting Receptacle
CV3452 - Box Mounting Receptacle
CV3456 - Cable Connecting Plug
CV3459 - Cable Connecting Plug with Self-
Locking Coupling Nut
CONNECTOR CLASSES
Class KT, KS - Firewall
Class LS - High Temperature,
Fluid Resistant
Class W - General Purpose
SHELL SIZE
See Pages A-108 and A-110
345
345
6
6
W
W
18
18
-
-
9
9
P
P
W
W
*
PREFIX
SERIES
SHELL STYLE
CONNECTOR CLASS
SHELL SIZE
CONTACT ARRANGEMENT
CONTACT SEX
ALTERNATE INSERT POSITION
LESS CONTACTS
CONTACT ARRANGEMENT
See page A-111 and A-112
CONTACT SEX
P - Pin
S - Socket
*A - Less Pin Contact
*B - Less Socket Contact
*Used only when other than power contacts are to
be installed (i. e.,Shielded, thermocouple, ets.)
ALTERNATE INSERT POSITION
W, X, Y, and Z (Omit for “Normal”)
LESS CONTACTS
Use “F0” when connectors are ordered less con
tacts, sealing plug and insertion/extraction tool
(“F0” is not stamped on connector).
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-106
www.ittcannon.com
MS/CV345*
MIL-C-5015 Rear Release Connectors
Performance Specifications
Class
Temp. ºC
Moisture, Fluid and
Fuel Resistant
Shell
Material
Size
Finish
W
L
KT
KS
LS
-55 to +175
-55 to +200
-55 to +175
-55 to +200
Yes
Yes
Yes
Yes
Steel
Aluminum per
QQ-A-225 or
QQ-A-591
Steel per
QQ-S-637
Stainless
Steel
Olive drab over
cad plate
Electroless nickel
Olive drab over
card plate
Passivate
Wire Range Accommodations
Contact
Wire
Size
Size
Minimum
16-16
20, 18, 16
.053 (1.35)
12-12
14, 12
.085 (2.16)
8-8
10, 8
.132 (3.35)
4-4
6, 4
.237 (6.02)
0-0
2, 0
.360 (9.14)
1
Maximum
.103 (2.62)
.158 (4.01)
.255 (6.48)
.370 (9.40)
.550 (13.97)
A
Circular
NOTE: Resistant to hydraulic fluid per MIL-H-5606 or skydrol (LD), lubricating oils per MIL-L-7808 and MIL-L-23699,
cleaners CeeBee 694 or Aerosafe 2300, jet engine fuel per MIL-J-5624 Grade JP-5, Ethylene Glycol, and Collanol 25.
Contacts (Crimp Removable Rear Release)
Material - Copper Alloy
Finish - Size 16 - Gold over Nickel
Size 12, 8, 4 and 0 - silver plated
Wire Reference - MIL-W16878, MIL-W-22759, Mil- 81381, MIL-C-915,
MIL-C- 24145 and MIL-C 2194.
2
MS3348 brushing required in crimp barrel to accommodate 10, 6 and 2
wire sizes - they are ordered separately, consult factory.
Test Data
High Potential Test Voltage
MS/CV connectors show no evidence of breakdown when the test voltage given below is applied
between the two closes contacts and between, the shell and the contacts closest to the shell for
a period of one minute.
Service
Rating
Inst.
A
Test Voltage
(ms) 60cps
1000
2000
Suggested Operating Voltage
DC
AC (ms)
250
200
700
500
Test Current
Test current ratings of contacts and allowable voltage drop
under test conditions when assembled as in service are shown
below. Maximum total current to be carried per connector is the
same as that allowable in wire bundles as specified in MIL-W-
5088.
Current Rating with Silver Plated Wire
(MIL-C-5015 test method)
Contact
Size
16
12
Test Current
(amps)
13
23
Potential Drop
(millivolts)
49
42
D
E
B
C
2800
3500
4500
7000
1250
1750
2450
4200
900
1250
1750
3000
*As indicated in previous MS Specification and to be used by the designer only as a guide.
8
4
0
46
80
150
26
23
21
MS Alternate Positions
All views are looking into front of pin insert or rear of socket insert.
B
A
Normal Position
Position W
Position X
Position Y
Position Z
Shell
Size
No. of
Contacts
Contact
Arr.
W
X
Degrees
Y
Z
Shell
Size
No. of
Contacts
Contact
Arr.
W
X
Degrees
Y
Z
Shell
Size
No. of
Contacts
A
B
A
B
A
A
B
B
Contact
Arr.
W
X
Degrees
Y
Z
8S
10S
10SL
12
12S
14S
16S
16
18
1 #16
1 #16
2 #16
1 #12
2 #16
2 #16
3 #16
4 #16
5 #16
6 #16
2 #16
5 #16
7 #16
2 #12
3 #12
2 #16, 2 #12
2 #16, 1 #8
4 #16
4 #12
3 #16
5 #12
6 #12
5 #16, 2 #12
7 #16, 1 #12
10 #16
8S -1
10S -2
10SL- 4
12 - 5
12S - 3
14S - 9
14S - 7
14S - 2
14S - 5
14S-6
16S - 4
16S - 8
16S -1
16 -11
16 - 10
16 - 9
16 - 7
18 - 4
18 - 10
18 - 22
18 - 11
18 - 12
18 - 9
18 - 8
18 - 1
-
-
-
-
70
70
70
90
-
-
35
-
80
35
90
35
80
35
-
70
-
80
80
70
70
-
-
-
-
145
145
145
180
110
-
110
170
-
110
180
110
110
110
120
145
170
-
110
-
145
-
-
-
-
215
215
215
270
-
-
250
265
-
250
270
250
250
250
240
215
265
-
250
-
215
-
-
-
-
290
290
290
-
-
-
325
-
280
325
-
325
280
325
-
290
-
280
280
290
290
20
22
24
1 #0
4 #12
8 #16
7 #16, 2 #12
14 #16
17 #16
3 #12, 2 #8
6 #16, 3 #12
7 #12
3 #8
4 #8
1 #16, 4 #12
4 #16, 2 #12
8 #16
6 #16, 3 #12
14 #16
19 #16
9 #16, 2 #12
3 #16, 1 #0
4 #8
7#8
6 #12, 3 #8
14 #16, 2 #12
24 #16
20 - 2
20 - 4
20 - 7
20 - 16
20 - 27
20 - 29
20 - 14
20 - 18
20 - 15
22 - 2
22 - 22
22 - 13
22 - 5
22 - 18
22 - 16
22 - 19
22 - 14
24 - 20
24 - 4
24 - 22
24 - 10
24 - 11
24 - 7
24 - 28
-
45
80
80
35
80
80
35
80
70
-
35
35
80
80
80
80
80
80
45
80
35
80
80
-
110
110
110
110
-
110
110
-
145
110
110
110
110
110
110
-
110
110
110
-
110
110
110
-
250
250
250
250
-
250
250
-
215
250
250
250
250
250
250
-
250
250
250
-
250
250
250
-
-
280
280
325
280
280
325
280
290
-
325
325
280
280
280
280
280
280
-
280
325
280
280
28
32
36
40
6 #16, 6 #12
12 #16
12 #16, 2 #12
15 #16
18 #16, 4 #12
26 #16
35 #16
37 #16
4 #4
12 #16, 2 #4
10 #16, 5 #12
16 #16, 3 #8
2 #12, 2 #4
18 #16, 5 #12
28 #16, 7#12
40 #16, 7 #12
48 #16
4 #0
4 #4, 2 #0
3 #12, 3 #0
46 #16, 1 #12
52 #16
24 #16, 6 #12
28 - 9
28 - 18
28 - 2
28 - 17
28 - 11
28 - 12
28 - 15
28 - 21
32 - 71
32 - 9
32 - 12
32 - 6
32 - 13
32 - 7
36 - 7
36 - 10
36 - 5
36 - 6
36 - 3
36 - 8
36 - 52
40 - 1
80
70
35
80
80
90
80
80
45
80
80
80
80
80
80
80
-
35
70
80
72
65
110
145
110
110
110
180
110
110
110
110
110
110
110
125
110
125
120
110
145
110
144
130
250
215
250
250
250
270
250
250
250
250
250
250
250
235
250
235
240
250
215
250
216
235
280
290
325
280
280
-
280
280
-
280
280
280
280
280
280
280
-
325
290
280
288
300
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A-107
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