MIL-DTL-38999 Type
Hermetic Connectors
with Crimp Removable Socket Contacts
MIL-DTL-38999 Series III Type
257-288
Box Mount Hermetic Receptacle
B
Basic
Number
Contact Style
Shell Size
P
- Pin Face
S
- Socket Face
257-288
Z1 17
-
26 P N
Insert Arrangement
Per MIL-STD-1560
Alternate Key
Position
A, B, C, D, E
(N = Normal)
Connector Material and Finish
Z1
- CRES, Passivated
ZL
- CRES, Nickel Finish
C FLANGE
PIN CONTACT
1.575 (40.0)
SOCKET CONTACT
1.730 (43.9)
PIN FACE
.058 (1.5)
MAX
R
P
N
M
L
K
Z
Y
a
AB
S
b
c
X
H
J
G
W
T
U
C
D
V
E
F
SOCKET FACE
D BASIC
E BASIC
A THREAD
B THREAD
Dimensions in Inches (millimeters) are subject to change without notice.
© 2013 Glenair, Inc.
U.S. CAGE Code 06324
Printed in U.S.A.
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
www.glenair.com
B-72
E-Mail: sales@glenair.com
with Crimp Removable Socket Contacts
MIL-DTL-38999 Series III Type
257-288
Box Mount Hermetic Receptacle
Shell
Size
9
11
13
15
17
19
21
23
25
Code
A
B
C
D
E
F
G
H
J
A Thread
0.1 P-0.3L-TS-2A
0.625
0.750
0.875
1.000
1.187
1.250
1.375
1.500
1.625
TABLE I: CONNECTOR DIMENSIONS
B Thread
M12X1-6g 0.100R
M15X1-6g 0.100R
M18X1-6g 0.100R
M22X1-6g 0.100R
M25X1-6g 0.100R
M28X1-6g 0.100R
M31X1-6g 0.100R
M34X1-6g 0.100R
M37X1-6g 0.100R
C Flange
.949/.925
1.043/1.020
1.138/1.114
1.232/1.209
1.323/1.299
1.449/1.425
1.575/1.551
1.701/1.677
1.823/1.799
DB
.594
.719
.812
.906
.969
1.062
1.156
1.250
1.375
E Typ
.719
.812
.906
.969
1.062
1.156
1.250
1.375
1.500
ØH
Min
.656
.796
.922
1.047
1.219
1.297
1.422
1.547
1.672
ØJ
Min
.516
.625
.750
.906
1.016
1.141
1.266
1.375
1.484
ØK
Holes
L Basic
.719
.812
.906
.969
1.062
1.156
1.250
1.375
1.500
.133
.123
.159
.149
.155
.145
4x Ø
2x
K
Holes
.005
M
2x
L
L
HERMETIC LEAK RATE MOD CODES
Designator
–585A
–585B
–585C
Required Leak Rate
1 x 10
-10
cc Helium per second
1 x 10
-9
cc Helium per second
1 x 10
-8
cc Helium per second
Ø
H
Min
Back Panel
Mounting
Front Panel
Mounting
Ø
J
Min
Recommended Mounting Holes
APPLICATION NOTES
1.
2.
Assembly identified with manufacturer’s name and PN, space
permitting.
Material/Finish:
Shell, lock ring, jam nut—CRES/passivated
Contacts—alloy 52/gold plate
Sockets—copper alloy/gold plate
Hermetic Insulator—fused vitreous glass/N.A.
Socket Insulator—high grade rigid dielectric/N.A.
Seals—fluorosilicone/ N.A.
3.
4.
Crimp removable socket contacts to conform to
MIL-C-39029/57-358, size 16, MIL-C-39029/57-357 size
20 and MIL-C-39029/57-354 size 22D (supplied loose)
Metric dimensions (mm) are indicated in parentheses.
Dimensions in Inches (millimeters) are subject to change without notice.
© 2013 Glenair, Inc.
U.S. CAGE Code 06324
Printed in U.S.A.
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
www.glenair.com
B-73
E-Mail: sales@glenair.com
MIL-DTL-38999 Type
Hermetic Connectors
B