257-135
MIL-DTL-26482 Series II Type Hermetic
Bayonet Coupling Jam Nut Mount
Pin-Pin Bulkhead Feedthrough Receptacle
Insert
Arrangement
Per MIL-STD-1669
MIL-DTL
26482
Type
Series 257
MIL-DTL-26482
Type
Connector Style
135
= Jam-Nut Mount Pin-Pin
Feedthrough Receptacle
257
-
135
Z1
24
-
61
Shell
Size
Material/Finish
Z1
= CRES/Nickel
Plated
G
.125 Max
D
1.290 Max
H
.400
Max
D
B
C
.405/.395
A Thread
Holes
For .020 Max Dia
Safety Wire 3 Equally Spaced
.500 Max Panel
Thickness
APPLICATION NOTES
1.
2.
To be identified with manufacturer’s name, part number and
date code, space permitting.
Electrical safety limits must be established by the user. Peak
voltage, switching surge, transient, etc. should be used to
determine the safety of the application.
Metric Dimensions (mm) are indicated in parentheses.
4.
Material/Finish:
Shell and jam-nut: Z1 - CRES/nickel plated.
Titanium and Inconel
®
available. Consult factory.
Contacts - Alloy 52/gold plate.
Bayonets - CRES/passivated.
Seals - Fluorosilicone/N.A.
Spacer - High grade rigid dielectric/N.A.
3.
© 2009 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
D-30
Bayonet Coupling Jam Nut Mount
Pin-Pin Bulkhead Feedthrough Receptacle
E
F
RECOMMENDED PANEL CUT-OUT
HERMETIC LEAK RATE MOD CODES
Designator
–585A
–585B
–585C
Required Leak Rate
1 x 10
-10
-9
cc’s Helium per second
1 x 10 cc’s Helium per second
1 x 10
-8
cc’s Helium per second
TABLE I: CONNECTOR AND CUT-OUT DIMENSIONS (Continued Below)
Shell
Size
8
10
12
14
16
18
20
22
24
A Thread
Class 2A
9/16-24 UNEF
11/16-24 UNEF
7/8-20 UNEF
1-20 UNEF
1 1/8-18 UNEF
1 1/4-18 UNEF
1 3/8-18 UNEF
1 1/2-18 UNEF
1 5/8-18 UNEF
B Dia
Max
.474 (12.0)
.591 (15.0)
.751 (19.1)
.876 (22.3)
1.001 (25.4)
1.126 (28.6)
1.251 (31.8)
1.376 (35.0)
1.501 (38.1)
C
Hex
.750 (19.1)
.875 (22.2)
1.062 (27.0)
1.188 (30.2)
1.312 (33.3)
1.438 (37.0)
1.562 (39.7)
1.688 (42.9)
1.812 (46.0)
D
Flats
.938 (23.8)
1.062 (27.0)
1.250 (31.8)
1.375 (34.9)
1.500 (38.1)
1.625 (41.3)
1.812 (46.0)
1.938 (49.2)
2.062 (52.4)
E Dia
+.010 -.005
(+0.3 -0.1)
.572 (14.5)
.697 (17.7)
.895 (22.7)
1.010 (25.7)
1.135 (28.8)
1.260 (32.0)
1.385 (35.2)
1.510 (13.0)
1.635 (41.5)
F Dia
+.010 -.005
(+0.3 -0.1)
.540 (13.7)
.665 (16.9)
.828 (21.0)
.952 (24.2)
1.076 (27.3)
1.201 (30.5)
1.326 (33.7)
1.451 (36.9)
1.576 (40.0)
G
Max
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
2.125 (54.0)
H Dia
±
.016 (0.4)
1.062 (27.0)
1.187 (30.1)
1.375 (34.9)
1.500 (38.1)
1.625 (41.3)
1.750 (44.5)
1.938 (49.2)
2.062 (52.4)
2.187 (55.5)
© 2009 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
D-31
MIL-DTL
26482
Type
257-135
MIL-DTL-26482 Series II Type Hermetic
D
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