Microminiature Circular - .050" Contact Spacing
MICRO-K microminiature circular connectors
are rugged yet lightweight - and meet or
exceed the applicable requirements of MIL-
DTL-83513. Applications include biomedical,
instrumentation and miniature black boxes.
MIK:
Accommodate up to 55 contacts on .050
(1.27) centers (equivalent to 420 contacts per
square inch). Five keyway polarization prevents
cross plugging. The threaded coupling nuts
provide strong, reliable coupling. MIK recepta-
cles can be either front or back panel mounted;
in back mounting applications, panel thickness
of up to 3/32" can be used on the larger sizes.
Maximum temperature range - 55˚C to + 125˚C.
Standard MIK connectors are available in two
shell sizes accommodating two contact
arrangements pre-wired to your specific
requirements.
MIKM:
Similar to our MIK, except has a steel
shell and receptacle for improved ruggedness
and RFI resistance. It accommodates up to 85
twist pin contacts. Maximum temperature
range - 55˚C to + 125˚ C.
MIKQ:
A quick disconnect metal shell and
receptacle version that can be instantaneously
disconnected yet provides a solid lock when
engaged. Applications include commercial TV
cameras, portable
MICRO-K
radios, military gun sights, airborne landing
systems and medical equipment. Maximum
temperature range - 55˚C to +125˚C.
Specifications
STANDARD MATERIAL AND FINISHES
MIK
Shell
Coupling Nut
Insulator
Contacts
Thermoplastic
Stainless Steel
Passivated
Glass-reinforced
Thermoplastic
50 Microinch
Gold Plated
Copper Alloy
MIKM
Stainless Steel
Stainless Steel
Passivated
Glass-reinforced
Thermoplastic
50 Microinch
Gold Plated
Copper Alloy
MIKQ
Brass
Brass, Electroless
Nickel Plated*
Glass-reinforced
Thermoplastic
50 Microinch
Gold Plated
Copper Alloy
No. of Contacts
Wire Size
ELECTRO/MECHANICAL FEATURES
MIK
7,55
#24 AWG
thru #32 AWG
Contact Termination
Crimp
Contact Rating
3 Amps
Couping
Threaded
Polarization
Keyways
Contact Spacing
.050 (1.27)
Centers
Shell Styles
0-Wall Mtg.
6-Straight Plug
MIKM
7,55, 85
#24 AWG
thru #32 AWG
Crimp
3 Amps
Threaded
Keyways
.050 (1.27)
Centers
0-Wall Mtg.
6-Straight Plug
MIKQ
7,19, 37
#24 AWG
thru #32 AWG
Crimp
3 Amps
Push/Pull
Keyways
.050 (1.27)
Centers
7-Jam Nut
6-Straight Plug
9-Rear Panel
Mtg. Receptacle
*For plug only
Electrodeposited for receptacle.
How to Order
R
RoHS COMPLIANCE
SERIES
CONNECTOR TYPE
SHELL STYLE
CONTACT ARRANGEMENT
CONTACT TYPE
TERMINATION TYPE
TERMINATION LENGTH CODE
HARDWARE
SERIES
MIK: Microminiature Circular
CONNECTOR TYPES
No Letter - Screw couping, plastic shell
M - Screw coupling, metal shell
Q - Push/Pull, metal shell
SHELL STYLES
0 - Wall mounting receptacle (MIK and
MIKM only)
6 - Straight plug (MIK, MIKM and MIKQ)
7 - Jam nut mount (MIKQ only)
9 - Rear panel mounted receptacle (MIKQ)
CONTACT ARRANGEMENTS
7, 19, 37, 55, 85
CONTACT TYPE
P - Pin
S - Socket
TERMINATION TYPES
H - Insulated round hook-up wire
L - Uninsulated round solid wire
TERMINATION LENGTH CODE (STANDARDS)
(H) 001 -
18", 7/34 strand, #26 AWG,
MIL-W-16878/4, Type E Teflon,
yellow.
18",7/34 strand, #26 AWG,
(H) 003 -
MIL-W-16878/4, Type E Teflon,
color coded to MIL-STD-681
System I.
1/2" uninsulated solid #25
(L) 1 -
AWG gold plated copper.
1" uninsulated solid #25 AWG
(L) 2 -
gold plated copper.
HARDWARE
G - Cable nut and grip (MIKQ plug only)
N - Nut only (MIKQ plug only)
NOTE: Contact types cannot be interchanged
between shell styles.
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
MIK M 6-
55
P
*
**
***
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44
Microminiature Circular - .050" Contact Spacing
Standard Wire Termination Codes
The following termination codes are listed for your
information. For additional codes please refer to
Appendix on page 79 and 81.
All wire lengths are
minimum.
HARNESS TYPES (H)
MIK
#26 AWG per MIL-W-16878 Type E, Teflon Stranded
Length
3 (76.2)
6 (152.4)
8 (203.2)
10 (254.0)
12 (304.8)
18 (457.2)
20 (508.0)
24 (609.6)
30 (762.0)
36 (914.4)
48 (1219.2)
72 (1828.8)
120 (3048.0)
-All Yellow
020
019
026
029
028
001
038
009
010
011
013
017
042
Color Coded
027
016
034
025
002
003
023
004
005
006
048
046
041
Contact Arrangements
Face View, Pin Side-(Male Twist Pin Contacts)
1
1
4
1
5
4
9
15
22
32
23
29
34
37
33
28
40
47
53
55
52
46
39
17
25
16
12
16
17
19
10
16
24
31
29
39
48
58
67
75
82
85
74
81
3
9
20
12
5
4
11
19
28
38
47
57
66
MASTER KEY (TYP)
2
7
1
3
6
13
4
5
8
4
1
3
7
10
MIK/MIKM/MIKQ
7 Contacts
MIKQ
19 Contacts
MIKQ
37 Contacts
MIK/MIKM
55 Contacts
MIKM
85 Contacts
Cavity identification numbers are for reference only, they do not appear on connectors.
Shell Dimensions
MIK (Rear Panel Mount Thickness - see Tabulation "T")
Weight given is 1/2" uninsulated, solid #25 AWG gold plated copper pigtails
.335 (8.51)
Max.
L
A THD.
D
DIA.
K
A THD
A THD.
R
A THD.
+
R
S
D
DIA.
L
F
L
D
DIA.
S
+
D
DIA.
H (TYP.)
F
L
K
H (TYP.)
Plug
Receptacle
Shell Size 7 only
Plug
Part Number
by Shell Size
MIK6-7P
MIK6-55P
A
Thread
5/16-24UNF-2B
9/16-24UNF-2A
Plug
Receptacle
Shell Size 55 only
D
Max.
.375 (9.52)
.755 (19.18)
L
Max.
.315 (8.00)
.460 (11.68)
Avg. Weight
oz. (gm.) ±5%
.054 (1.54)
.202 (5.72)
Receptacle
Part Number
A
D
F
by Shell Size
Thread
± .010 (0.25)
Max.
MIK0-7S
5/16-24UNF-2B .325 (8.26)
.315 (8.00)
MIK0-55S
9/16-24UNF-2A .625 (15.88) .440 (11.18)
H
± .003 (0.08)
.078 (1.98)
.089 (2.26)
K
L
± .010 (0.25)
Max.
.062 (1.57)
.355 (9.02)
.100 (2.54) .495 (12.57)
R
± .005 (0.13)
.460 (11.68)
.580 (14.73)
S
T
Avg. Weight
Max.
Max.
oz. (gm.) ± 5%
.630 (16.00) .032 (0.81) .022 (.635)
.760 (19.30) .062 (1.57) .134 (3.81)
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
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45
Microminiature Circular - .050" Contact Spacing
Shell Dimensions (Continued)
MIKM (Rear Panel Mount Thickness .335 (8.51) max. - see Tabulation "T")
.3 3 5 (8 .5 1 )
M ax.
A T H .D
D
D IA .
S
K
MIKM/MIKQ
L
AT H D
AT H D
R
S
D
D IA .
H (T Y P
.)
F
L
K
AT H D
R
D
D IA .
L
D
D IA .
H (T Y P
.)
F
L
Plug
Receptacle
Shell Size 7 only
Plug
Part Number
by Shell Size
MIKM6-7P
MIKM6-55P
MIKM6-85P
A
Thread
Plug
Receptacle
Shell Size 55 & 85
D
Max.
.375 (9.52)
.775 (19.18)
.860 (21.84)
L
Max.
.315 (8.00)
.440 (11.18)
.460 (11.68)
Avg. Weight
_
oz. (gm.)+5%
.054 (1.54)
.333 (9.44)
.419 (11.88)
5/16-24UNF-2A
5/8-24UNEF-2B
11/16-24UNEF-2B
Receptacle
Part Number
by Shell Size
A
Thread
D
F
Max.
.320 (8.13)
.440 (11.18)
.440 (11.18)
H
+ .003 (0.08)
_
.078 (1.98)
.091 (2.31)
.091 (2.31)
K
.062 (1.57)
.062 (1.57)
.062 (1.57)
L
Max.
.400 (10.16)
.490 (12.45)
.490 (12.45)
R
+ .005 (0.13)
_
.460 (11.68)
.580 (14.73)
.674 (17.12)
S
Max.
T
Max.
Avg. Weight
oz. (gm.)+5%
_
.051 (1.45)
.269 (7.62)
.346 (9.80)
MIKM0-7S
5/16-24UNF-2A .325 (8.26)
MIKM0-55S 5/8-24UNEF-2A .625 (15.88)
MIKM0-85S 11/16-24UNEF-2A .745 (18.92)
.630 (16.00) .032 (0.81)
.760 (19.30) .125 (3.18)
.845 (21.46) .125 (3.18)
MIKQ (Front Panel Mounting Type Shown-.093 (2.36) Thickness)
.950 (24.13) MAX.
A
DIA.
MASTER KEY
.760
(19.30) MAX.
B
DIA.
1.20
(30.48) MAX.
FOR SIZE 37 ONLY
C
DIA.
.043±.005
(1.09±0.13)
D THD.
B
*
NUT
A
C DIM.
ACROSS FLAT
.093 (2.36) REF.
.495 (12.67) MAX.
Plug
Plug
Part Number
by Shell Size
MIKQ6-7S
MIKQ6-19S
MIKQ6-37S
Receptacle
A
MAX.
.385 (9.78)
.515 (13.08)
.760 (19.30)
B
MAX.
.305 (7.75)
.405 (10.29)
.635 (16.13)
C
Ref.
.180 (4.57)
.260 (6.60)
.350 (8.89)
Avg. Weight
oz. (gm.)±5%
.214 (6.08)
.376 (10.70)
.714 (20.23)
*Std. Conn. not supplied with Cable Nut & Grip, See Mod Codes.
Lanyard Relase Is Available. Consult factory.
Receptacle
Part Number
by Shell Size
MIKQ6-7S
MIKQ7-19P
MIKQ7-37P
A
MAX.
.510 (12.95)
.575 (14.60)
.855 (21.71)
B
MAX.
.245 (6.22)
.345 (8.76)
.520 (13.20)
C
MAX.
.359 (9.12)
.470 (11.94)
.740 (18.80)
D
Thread
3/8-32UNEF-2A
1/2-28UNEF-2A
3/4-20UNEF-2A
Avg. Weight
oz. (gm.)±5%
.128 (3.63)
.214 (6.08)
.300 (8.52)
MIKQ Front Panel Mounting
Front Panel Mounting-MIKQ7
A
Shell Size
MIKQ7-7P
MIKQ7-19P
MIKQ7-37P
B
DIA.
A
± .005 (0.13)
.364 (9.24)
.475 (12.06)
.740 (18.78)
B
DIA.
.390 (9.91)
.515 (13.08)
.755 (19.17)
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
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46
Microminiature Circular - .050" Contact Spacing
Shell Dimensions (Continued)
MIKQ9-7P (Back Panel Mounting)
.043 ± .005
(1.09 ± 0.13)
KEY
.250 ± .010
(6.35 ± 0.25)
MIKQ
.245 (6.22)
DIA. MAX.
WIRE
EXTENSION
LENGTH
.415 ± .010
(10.54 ± 0.25)
INSULATOR
.570 (14.48)
DIA. MAX.
.485 (12.32)
MAX.
7/16-28 UNEF-2A
SHELL
1/2
HEX-NUT
Receptacle
MIKQ9-19P (Back Panel Mounting)
KEY
.250 ± .010 (6.35 ± 0.25)
INSULATOR
.043 ± .005 (1.09 ± 0.13)
.525 ± .010
(13.33 ± 0.25)
.345 (8.76)
DIA. MAX.
.625 ± .010
(15.87 ± 0.25) DIA.
9/16-24 UNEF-2A THREAD
.485 (12.32) MAX.
5/8
HEX-NUT
.425
(10.79
+.015
-.000
+0.30
-0.00
)
Receptacle
MIKQ9-37P (Back Panel Mounting)
.250 ± .010
(6.35 ± 0.25)
SHELL
.730 ± .010
(18.54 ± 0.25)
.665 MAX.
(16.89) MAX.
.043 ± .005
(1.09 ± 0.13)
.505 MAX.
(12.83 MAX.)
3/4-20 UNEF-2A THREAD
.885 MAX.
(22.48 MAX.)
13/16 HEX NUT
INSULATOR
.490 MAX.
(12.45 MAX.)
Receptacle
MIKQ Rear Panel Mounting
A
B
DIA.
Rear Panel Mounting-MIKQ9
A
± .005 (0.13)
Shell Size
MIKQ9-7P
.425 (10.76)
MIKQ9-19P
.535 (13.58)
MIKQ9-37P
.740 (18.78)
B
Dia.
.440 (11.18)
.564 (14.33)
.755 (19.17)
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
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47
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