Insert Patterns - Amphenol Aerospace

Insert Patterns - for MIL-DTL-38999,
Series III Cylindricals
Incorporating quadrax and differential twinax contacts
This illustrated list ing represents the most readily available
patterns incorporating quadrax and differential twinax
contacts within D38999, Series III cylindrical connectors.
If you require other arrangements than what are shown here,
consult Amphenol for further availability. In most cases,
unless otherwise stated, size 8 cavities can be filled with
quadrax or differential twinax contacts. Arrangements can be
mixed with any size 8 coax, and/or concentric twinax or triax
contacts.
CONTACT LEGEND
8 10 12 16 20 22D
Quadrax or
Differential Twinax
front face of pin inserts illustrated
17
1
6
D
A
B
A
8
7
10
1
2
9 3
30
11
C
B
6 4
5
Insert Arrangement 9-5 17-2 17-22 17-52 17-60
Number of Contacts 1 38 1 2 2 2 8 2
Contact Size 8 22D 8 Twinax 12 8 8 22D 8
Grounded
Meets Boeing
Specification
P
N
M
L
K
R
J
H
S
A
T
U
G
B
C
D
E
F
V f
W
U
h
N
S
R
A
K
M
C
B
g
E
16 1
14 15 2 3
13
12
A
4
5
11 8
10 7
9 8
D
C
A
B
Insert Arrangement 19-18 19-31 19-AD 21-75
Number of Contacts 14 4 12 1 2 16 1 4
Contact Size 22D 8 22D 12 8 20 8 8
R
P
S
T
A
B
C
D
E
F
A
B
1
29 64
22
72
16
79
46
7
85
24
74
94
18 32
67 81
41 59
25 75
N U
M
L
K
J
H
V
G
F
E
D
C
42 60
19 33
68 82
6 26
53 76 99
15
93
21
84
28
78
Insert Arrangement 21-79 23-6 25-7
Number of Contacts 17 2 6 97 2
Contact Size 22D 8 8 22D 8
21

Insert Patterns - for MIL-DTL-38999,
Series III Cylindricals
Incorporating quadrax and differential twinax contacts
CONTACT LEGEND
8 10 12 16 20 22D
Quadrax or
Differential Twinax
front face of pin inserts illustrated
F
G
E
A
H
B
D
C
R
P
S
N
Z
T
M
a
Y
U
L
b
K
A
c
J
B
V
d
q r s e
w t
p
f
n v u
g
k
m h
X
C
D
E
W
F
G
H
S
R
P Z
N Y 4
7
M
3
X
L
K
A B
C
T D
5
1
6
W
H
J
U E
2
F
V
G
Insert Arrangement 25-8 25-17 25-20
Number of Contacts 8 36 6 10 13 3 4
Contact Size 8 22D 8 20 16 8 12
V
U
s
r
T
q
S p
W
t
AA
R
z
n
m
P y
k
N
h
M
L
A
X
B
u Y C
v
Z
D
a
b
E
w
c
F
d
x G
e
g
H
f
J
K
8 1
D
A
7 2
6 3
C
B
5 4
Insert Arrangement 25-46 25-62
Number of Contacts 40 4 2 8 4
Contact Size 20 16 8 16 8
22