MS-K
MIL-DTL-5015 Firewall Connectors
MS-K firewall connectors have met and are
qualified to the fireproof test of MIL-DTL-
5015. This test requires that a connector
mounted to a firewall will continue to operate
for 5 minutes in case of fire and prevent the
passage of flame for 20 minutes. These con-
nectors are not environmentally sealed but
operate continuously at temperature up to
+177º (350ºF). MS-K connectors have crimp
type contacts; thermocouple contacts must be
ordered separately and are solder type unless
otherwise requested on order. Cavities that
will contain the thermocouple contacts and
contact material must be specified when
ordering.
A
Performance and Material Specifications
Circular
MATERIALS
Shell - Steel
Insulator - Glass-filled epoxy or glass-filled melamine
or melamine glass cloth laminate
Contacts - Copper alloy
FINISHES
Shell - Olive drab over cadmium plate
Contacts - Silver plate
MECHANICAL FEATURES
Shell Size - In sixteeenths of an inch
Coupling - Threaded
Contact Arrangements - See pages A-127
ELECTRICAL DATA
Number of Contacts - 1 thru 37
How to Order
MS 3106 K
SERIES PREFIX
SHELL TYPE
CLASS
SHELL SIZE
CONTACT ARRANGEMENT
CONTACT TYPE
36
8
P
SERIES PREFIX
MS
SHELL STYLE
See pages A-114 thru A-116
CLASS
K per MIL-C-5015
SHELL SIZE
8S to 36
CONTACT ARRANGEMENT
See page A-127
CONTACT TYPE
P for pin; S for socket
Wall Mounting Receptacle
MS3100K
L
M
K
W
H
(TYP.)
±.005
POLARIZING
KEY
M
L
K
W
O
A
THREAD
B
V THREAD
S
(TYP.)
A
THREAD
O
T DIA.
±.010
-.003
B
V THREAD
Sizes 20 to 36 have endbell
Sizes 8s to 18 have junction shell
Part Number
B
MS3100K8S-*†
.375 (9.52)
MS3100K10SL-*†
.375 (9.52)
MS3100K12S-*†
.375 (9.52)
MS3100K14S-*†
.375 (9.52)
MS3100K16S-*†
.375 (9.52)
MS3100K16-*†
.625 (15.88)
MS3100K18-*†
.625 (15.88)
MS3100K20-*†
.625 (15.88)
MS3100K22-*†
.625 (15.88)
MS3100K24-*†
.625 (15.88)
MS3100K28-*†
.625 (15.88)
MS3100K32-*†
.625 (15.88)
MS3100K36-*†
.625 (15.88)
.125
.125
.125
.125
.125
.125
.125
.078
.078
.078
.078
.078
.125
K
(3.18)
(3.18)
(3.18)
(3.18)
(3.18)
(3.18)
(3.18)
(1.98)
(1.98)
(1.98)
(1.98)
(1.98)
(3.18)
1.453
1.109
1.515
1.515
1.703
1.703
1.921
2.109
2.031
2.328
2.025
2.453
2.594
L
(36.91)
(28.17)
(38.48)
(38.48)
(43.26)
(43.26)
(48.79)
(53.57)
(51.59)
(59.13)
(51.44)
(62.31)
(65.89)
.563
.563
.563
.563
.563
.750
.750
.750
.750
.813
.813
.875
.875
M
(14.30)
(14.30)
(14.30)
(14.30)
(14.30)
(19.05)
(19.05)
(19.05)
(19.05)
(20.65)
(20.65)
(22.22)
(22.22)
O
17/32
25/32
25/32
29/32
1-1/32
1-1/32
1-5/32
1-21/64
1-25/64
1-37/64
1-49/64
2-1/64
2-17/64
R
19/32
23/32
13/16
29/32
31/32
31/32
1-1/16
1-5/32
1-1/4
1-3/8
1-9/16
1-3/4
1-15/16
S
7/8
1
1-3/32
1-3/16
1-9/32
1-9/32
1-3/8
1-1/2
1-5/8
1-3/4
2
2-1/4
2-1/2
.150
.150
.150
.150
.150
.150
.117
.117
.117
.117
.117
.209
.209
T
(3.81)
(3.81)
(3.81)
(3.81)
(3.81)
(3.81)
(4.50)
(4.50)
(4.50)
(4.50)
(4.50)
(5.31)
(5.31)
W
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.375 (9.92)
.438 (11.13)
.500 (12.70)
• Receptacles in size 10SL are available with pin inserts only.
* Add contact arrangement. See page A-121
† Add contact type: P - pin; S - socket
Part Number
MS3100K8S-*†
MS3100K10SL-*†
MS3100K12S-*†
MS3100K14S-*†
MS3100K16S-*†
MS3100K16-*†
MS3100K18-*†
MS3100K20-*†
MS3100K22-*†
MS3100K24-*†
MS3100K28-*†
MS3100K32-*†
MS3100K36-*†
A Thread
1/2-28UNEF-2A
5/8-24UNEF-2A
3/4-20UNEF-2A
7/8-20UNEF-2A
1-20UNEF-2A
1-20UNEF-2A
1-1/8-18UNEF-2A
1-1/4-18UNEF-2A
1-3/8-18UNEF-2A
1-1/2-18UNEF-2A
1-3/4-18UNS-2A
2-18UNS-2A
2-1/4-16UN-2A
V Thread
1/2-28UNEF-2A
5/8-24UNEF-2A
5/8-24UNEF-2A
3/4-20UNEF-2A
7/8-20UNEF-2A
7/8-20UNEF-2A
1-20UNEF-2A
1-3/16-18UNEF-2A
1-3/16-18UNEF-2A
1-7/16-18UNEF-2A
1-7/16-18UNEF-2A
1-3/4-18UNS-2A
2-18UNS-2A
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-114
www.ittcannon.com
MS-K
MIL-DTL-5015 Firewall Connectors
Box Mounting Receptacle
MS3102K
L
M
K
POLARIZING KEY
R
(TYP.)
±.005
L
M
K
O
THREAD
A
Circular
O
A
THREAD
B
MAX
INSULATION
EXTENSION
SEE TAB
S
(TYP.)
A
T DIA.
±.010
-.003
B
W
MAX
INSULATION
EXTENSION
SEE TAB
Sizes 8S to 18 have plain rear skirt
Sizes 20 to 36 have threaded rear skirt
Maximum Insulation Extensions
Shell
Size
8S
10SL-16S
Contact Size
16
12
11/16
–
51/64
7/8
13/16
7/8
13/16
7/8
8
–
–
7/8
7/8
4
–
–
1-/3/32
1-/3/32
1-/3/32
1-/3/32
0
–
–
–
1-9/64
1-/3/32
1-/3/32
1-/3/32
16-18
20-22
24
28
32
36
Part Number
MS3102K8S-*†
MS3102K10SL-*†
MS3102K12S-*†
MS3102K14S-*†
MS3102K16S-*†
MS3102K16-*†
MS3102K18-*†
MS3102K20-*†
MS3102K22-*†
MS3102K24-*†
MS3102K28-*†
MS3102K32-*†
MS3102K36-*†
A Thread
1/2-28UNEF-2A
5/8-24UNEF-2A
3/4-20UNEF-2A
7/8-20UNEF-2A
1-20UNEF-2A
1-20UNEF-2A
1-1/8-18UNEF-2A
1-1/4-18UNEF-2A
1-3/8-18UNEF-2A
1-1/2-18UNEF-2A
1-3/4-18UNS-2A
2-18UNS-2A
2-1/4-16UN-2A
B
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.625 (15.88)
.625 (15.88)
.625 (15.88)
.625 (15.88)
.625 (15.88)
.625 (15.88)
.625 (15.88)
.625 (15.88)
K
(1.90)
(1.90)
(1.90)
(1.90)
(1.90)
(1.90)
(1.90)
(1.98)
(1.98)
(1.98)
(1.98)
(1.98)
(3.18)
L
59/64
61/64
61/64
61/64
61/64
1-9/64
1-9/64
1-15/64
1-18/64
1-18/64
1-18/64
1-3/8
1-29/64
47/64
47/64
47/64
39/64
13/16
13/16
47/64
43/64
13/16
13/16
47/64
43/64
S
7/8
1
1-3/32
1-3/16
1-9/32
1-9/32
1-3/8
1-1/2
1-5/8
1-3/4
2
2-1/4
2-1/2
61/64
57/64
T
(3.81)
(3.81)
(3.81)
(3.81)
(3.81)
(3.81)
(4.50)
(4.50)
(4.50)
(4.50)
(4.50)
(5.31)
(5.31)
61/64
W
–
–
–
–
–
–
–
.141 (3.58)
.141 (3.58)
.141 (3.58)
.141 (3.58)
.313 (7.95)
.344 (8.74)
.063
.063
.063
.063
.063
.063
.063
.078
.078
.078
.078
.078
.125
.563
.563
.563
.563
.563
.750
.750
.750
.750
.813
.813
.875
.875
M
O Thread
R
(14.30)
7/16
19/32
(14.30)
39/64
23/32
(14.30)
21/32
13/16
(14.30)
23/32
29/32
(14.30)
27/32
31/32
(19.05)
27/32
31/32
(19.05)
31/32
1-1/16
(19.05) 1-3/16-18UNEF-2A 1-5/32
(19.05) 1-1/4-18UNEF-2A 1-1/4
(20.65) 1-7/16-18UNEF-2A 1-3/8
(20.65) 1-5/8-18UNEF-2A 1-9/16
(22.22)
1-7/8-16UN-2A
1-3/4
(22.22)
2-1/8-16UN-2A 1-15/16
.150
.150
.150
.150
.150
.150
.177
.177
.177
.177
.177
.209
.209
• Receptacles in size 10SL are available with pin inserts only.
* Add contact arrangements. See page A-127
† Add contact type: P - pin; S - socket
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A-115
MS-K
MIL-DTL-5015 Firewall Connectors
Straight Plug
MS3106K
A
J
L
.375 (9.52) MIN.
Q
POLARIZING BOSS
L
Circular
M
F DIA.
C
M
Q
1
A THD.
L
V THD.
L
COLOR INDICATOR SLOT
Part Number
MS3106K8S-*†
MS3106K10SL-*†
MS3106K12S-*†
MS3106K14S-*†
MS3106K16S-*†
MS3106K16-*†
MS3106K18-*†
MS3106K20-*†
MS3106K22-*†
MS3106K24-*†
MS3106K28-*†
MS3106K32-*†
MS3106K36-*†
A Thread
1/2-28UNEF-2B
5/8-24UNEF-2B
3/4-20UNEF-2B
7/8-20UNEF-2B
1-20UNEF-2B
1-20UNEF-2B
1-1/8-18UNEF-2B
1-1/4-18UNEF-2B
1-3/8-18UNEF-2B
1-1/2-18UNEF-2B
1-3/4-18UNS-2B
2-18UNS-2B
2-1/4-16UN-2B
.531
.531
.531
.531
.531
.719
.719
.719
.719
.719
.719
.719
.719
J
(13.49)
(13.49)
(13.49)
(13.49)
(13.49)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
L
1-1/4
1-7/16
1-7/16
1-7/16
1-7/16
1-5/8
2-1/16
2-11/64
2-5/32
2-21/64
2-5/16
2-25/64
2-17/32
Q
3/4
31/32
1
1-1/8
1-1/4
1-1/4
1-11/32
1-15/32
1-19/32
1-23/32
1-31/32
2-7/32
2-15/32
V Thread
1/2-28UNEF-2A
5/8-24UNEF-2A
5/8-24UNEF-2A
3/4-20UNEF-2A
7/8-20UNEF-2A
7/8-20UNEF-2A
1-20UNEF-2A
1-3/16-18UNEF-2A
1-3/16-18UNEF-2A
1-7/16-18UNEF-2A
1-7/16-18UNEF-2A
1-3/4-18UNS-2A
2-18UNS-2A
† Add contact type: P - pin; S - socket
W
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.438 (11.13)
.500 (12.70)
• Plugs 10SL are available with socket inserts only.
* Add contact arrangements. See page A-127.
90º Angle Plug
MS3108K
M
J
A THREAD
POLARIZING GROOVE
Q
U
V THREAD
W
Part Number
MS3108K10SL-*†
MS3108K12S-*†
MS3108K14S-*†
MS3108K16S-*†
MS3108K16-*†
MS3108K18-*†
MS3108K20-*†
MS3108K22-*†
MS3108K24-*†
MS3108K28-*†
MS3108K32-*†
MS3108K36-*†
A Thread
5/8-24UNEF-2B
3/4-20UNEF-2B
7/8-20UNEF-2B
1-20UNEF-2B
1-20UNEF-2B
1-1/8-18UNEF-2B
1-1/4-18UNEF-2B
1-3/8-18UNEF-2B
1-1/2-18UNEF-2B
1-3/4-18UNS-2B
2-18UNS-2B
2-1/4-16UN-2B
.531
.531
.531
.531
.719
.719
.719
.719
.719
.719
.719
.719
J
(13.49)
(13.49)
(13.49)
(13.49)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
(18.26)
M
1-41/64
1-41/64
1-29/32
1-29/32
2-3/32
2-15/64
2-19/32
2-19/32
2-49/64
2-49/64
3-1/4
3-1/4
Q
31/32
1
1-1/8
1-1/4
1-1/4
1-11/32
1-15/32
1-19/32
1-23/32
1-31/32
2-7/32
2-15/32
U
1-21/64
1-21/64
1-27/64
1-27/64
1-27/64
1-31/64
1-21/32
1-21/32
1-63/64
1-63/64
2-7/32
2-9/32
V Thread
5/8-24UNEF-2A
5/8-24UNEF-2A
3/4-20UNEF-2A
7/8-20UNEF-2A
7/8-20UNEF-2A
1-20UNEF-2A
1-3/16-18UNEF-2A
1-3/16-18UNEF-2A
1-7/16-18UNEF-2A
1-7/16-18UNEF-2A
1-3/4-18UNS-2A
2-18UNS-2A
W
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.375 (9.52)
.438 (11.13)
.500 (12.70)
• Plugs in size 10SL are available with socket inserts only.
* Add contact arrangements. See page A-127.
† Add contact type: P - pin; S - socket
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-116
www.ittcannon.com
MS-K
MIL-DTL-5015 Firewall Connectors
Assembly Instructions
Recommended Procedures
*1.Remove Formica retaining ring (or the
ceramic retaining ring) from contact
(Figure 1).
2. Crimp contact to wire.
3. Slip endbell (or junction shell), retaining
ring,
and washer over the bundle.
4. Push contact thru rear insulator. (Contact
should extend sufficiently to accomplish
Step 5.)
5. Attach Formica retaining ring onto the
contact (see Figure 1).
6. Seat each contact securely in rear insulator.
7. Assemble front insulator on engaging end
of contact.
8. Slide insulator assembly into hardware.
9. Slide washer and insulator retaining ring
into place, making sure that insulator
retaining is fully seated in groove.
10.Slide endbell or junction shell down wire
bundle and attach to shell (or barrel).
INSERT
RETAINING
WASHER
A
Circular
CONTACT RETAINING CLIP
CONTACT
FRONT
INSULATOR
STEEL BARREL
STEEL COUPLING NUT
FIGURE 1
*NOTE: For MS-K Assembly it is not necessary to remove the ceramic retaining ring used on
sizes 16 and 12 contacts for MS-K providing that the crimp tool M22520/1-01 is used with
the TH119 turret. However, the formica ring must be removed if using the crimp tools listed
below.
When using the MS3191-1 (or CCT-1612) crimp tool with proper locator, both the ceramic or
formica retaining ring for sizes 16 and 12 contacts must be removed. For sizes 8, 4, and 0
contacts, the ceramic or formica retaining rings must be removed before crimping.
(CRIMP-ON
TERMINALS)
REAR
INSULATOR
INSERT
RETAINING
RING
STEEL ENDBELL
Contacts, Crimp Tools, Contact Kit Part Numbers
MS-K Contacts and Crimp Tools can be ordered separately
Contact Size
16-Pin
8S-36
16 Pin*
8S-36
16 Socket
8S-16S
16 Socket
12-36
16 Socket*
12-36
12 Pin
12 Socket
8 Pin
8 Socket
4 Pin
4 Socket
0 Pin
0 Socket
Part Number
330-0187-000
030-1154-000
031-0497-000
031-0498-000
031-0728-000
330-0188-000
031-0499-000
330-0189-000
031-0500-000
330-0190-000
031-0501-000
330-0191-000
031-0502-000
Wire Accom.
16-18-20
16-18-20
16-18-20
16-18-20
16-18-20
12-14
12-14
8
8
4
4
0
0
Crimp Tool
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
MS22520/1-01
MS3191-1
CBT600B or
CBT600
CBT600B or
CBT600
CBT600B or
CBT600
CBT600B or
CBT600
CBT600B
CBT600B
Locator
TH119 Turret
L16-3191-8
TH119 Turret
L16-3191-8
TH119 Turret
L16-3191-8
TH119 Turret
L16-3191-7
TH119 Turret
L16-3191-7
TH119 Turret
L12-3191-4
TH119 Turret
L12-3191-4
CCHP8
CCHP8
CCHP4
CCHP4
CCHP0-6
CCHP0-6
Crimp Head†
—
—
—
—
—
—
—
CCH8-1
CCH8-1
CCH4-1
CCH4-1
CCH0-1
CCH0-1
MS-K Contacts Assembly Kit
with Contact and Retaining Ring
KIit Part Number
320-0002-000
320-0001-000
320-0013-000
320-0005-000
320-0008-000
320-0009-000
320-0007-000
320-0010-000
320-0014-000
320-0011-000
320-0006-000
320-0012-000
320-0015-000
* These contacts must be used when ordering contact arrangments 24-28 pin or socket, 28-21 pin or socket, and 20-27 socket only.
†Crimp heads are only applicable for contact sizes 8, 4, and 0.
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A-117
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