257-255_15 Datasheet, PDF (1/2 Pages) Glenair, Inc. – Jam Nut Mount Hermetic Receptacle

257-255
Jam Nut Mount Hermetic Receptacle
with Crimp Removable Socket Contacts,
MIL-DTL-38999 Series I Type
Alternate Key
B
Basic
Number
Shell Size
Table I
Position
A, B, C, D, E
(N = Normal)
257-255 Z1 9 - 35 N
Material and Finish
Z1 - CRES, Passivated
Insert Arrangement
Per MIL-STD-1560
90° 185°
Master
key
B dia
Pin contact
interferance
1.695 max
O-
.920
Ring
.910
5
C
120° typ
C
D
flat
A
thread
Jam nut
H
thread
.219
min
E
.125 max
panel
APPLICATION NOTES
1. Assembly identified with manufacturer’s name and part number,
Pin contacts—nickel-iron alloy 52/gold
space permitting.
Socket contacts—copper alloy/gold
2. Insert arrangements in accordance with MIL-STD-1560.
Insulator—fused vitreous glass/N.A.
Insulators—high grade rigid dielectric/ N.A.
3. Glenair 257-255 receptacle connector is designed to mate with any
Seals—pure fluorosilicone rubber/ N.A.
QPL manufacturer’s MIL-DTL-38999 Series I plug connector having
the same insert arrangement & polarization.
5. Supplied crimp removal socket contacts conform to
M39029/57
4. Material/finish:
Shell, jam nut—CRES/passivated
6. Metric Dimensions (mm) are indicated in parentheses.
© 2013 Glenair, Inc.
Dimensions in Inches (millimeters) are subject to change without notice.
U.S. CAGE Code 06324
Printed in U.S.A.
GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX [phone]
www.glenair.com
B-26
E-Mail: [e-mail]