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257-003 Datasheet, PDF (1/3 Pages) Glenair, Inc. – Connector Receptacle Assembly
257-003
Connector Receptacle Assembly
Stainless Steel Harsh Environment
UNEF Threads
Sample Part Number
Series No.
Basic No.
Class
Connector Style
Shell Size
Insert Arrangement Dash No.
Contact Style
Alternate Insert Position
Molding Adapter
How To Order
257 -003 H 2 -14S -5 P W M
257
-003
H = Hermetic
– = Standard
2 = Receptacle
See Table I
See page D-14
P = Pin  S = Socket (Non-Hermetic)
See page D-14
M = Molding Adapter  Omit for none
B Thread
O-Ring
.156 (4.0) Max Panel
.030 (0.8) Min Panel
Polarizing Key
RECOMMENDED
PANEL CUT-OUT
C Dia
A Thread
G
E
.540
(13.7)
1.620
(41.1)
Max
F
D
Insert Arrangement with Solder Pot Contacts
(Page D-14)
Table I
Shell Size
A Thread
Class 2A
B Thread
Class 2A
C Max
D
+.010 (0.3)
-.000
E
+.010 (0.3)
-.000
F Max
G Max
10SL
5/8 - 24 UNEF 5/8 - 24 UNEF 1.030 (26.2)
.653 (16.6)
.585 (14.9)
.812 (20.6)
.940 (23.9)
12
3/4 - 20 UNEF 3/4 - 20 UNEF 1.160 (29.5)
.760 (19.3)
.710 (18.0)
.938 (23.8)
1.090 (27.7)
14S
7/8 - 20 UNEF 7/8 - 20 UNEF 1.280 (32.5)
.885 (22.5)
.835 (21.2)
1.125 (28.6)
1.250 (31.8)
18
1 1/8 - 18 UNEF 1 1/8 - 16 UN
1.660 (42.2)
1.135 (28.8)
1.085 (27.6)
1.500 (31.8)
1.690 (42.9)
20
1 1/4 - 18 UNEF 1 1/4 - 16 UN
1.780 (45.2)
1.260 (32.0)
1.210 (30.7)
1.625 (41.3)
1.820 (46.2)
24
1 1/2 - 18 UNEF 1 1/2 - 16 UN
2.030 (51.6)
1.510 (38.4)
1.460 (37.1)
1.875 (47.6)
2.120 (53.8)
28
1 3/4 - 18 UNEF 1 3/4 - 16 UN
2.280 (57.9)
1.760 (44.7)
1.710 (43.4)
2.125 (54.0)
2.420 (61.5)
D
Notes:
1. Metric dimensions (mm) are indicated in parentheses.
2. Electrical safety limits must be established by the user. Peak voltages, switching surges, etc.,
should be used to determine the safety of the application.
© 2014 Glenair, Inc.
Series 22 Geo-Marine®
U.S. CAGE Code 06324 Rev 7-11-14 Printed in U.S.A.
GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912
www.glenair.com
D-15
E-Mail: sales@glenair.com