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© 2003 Glenair, Inc.

Printed in U.S.A.

CAGE Code 06324

www.glenair.com

33

257-007

Connector Receptacle Assembly

Stainless Steel Harsh Environment

Product Series

Basic Number

H = Hermetic

(Omit for Standard,

substitute dash)

2 = Receptacle Assembly

Shell Size (Table I)

257 - 007 H 2 - 14S - 5 P W M

M = Molding Adapter

(Omit for None)

Alternate Insert Position, See Page 2

(Omit for Normal)

Contact Style:

P = Pin

S = Socket (Non-Hermetic only)

Insert Arrangement Dash No., See Page 28

RECOMMENDED

PANEL CUT-OUT

E

O-Ring

1.620

(41.1)

Max

A Thread

.540

(13.7)

.156 (4.0) Max .030 (0.8) Min Panel

Polarizing Key

Insert Arrangement with Solder

Pot Contacts (Page 28)

C Thread

D Dia

B Thread

G

H

F

F

+ .010 (0.3)

-.000 (0)

.710 (18.0)

.835 (21.2)

.965 (24.5)

1.210 (30.7)

1.460 (37.1)

1.710 (43.4)

1.960 (49.8)

Shell

Size

10SL

12

14S

18

20

24

28

A Thread

Class 2A

.625 - .1P-1L

.750 - .1P-1L

.875 - .1P-1L

1.125 - .1P-1L

1.250 - .1P-1L

1.500 - .1P-1L

1.750 - .1P-1L

D Dia

Max

1.100 (27.9)

1.250 (31.8)

1.450 (36.8)

1.750 (44.5)

2.030 (51.6)

2.340 (59.4)

2.550 (64.8)

TABLE I

E Dia

+ .010 (0.3)

-.000 (0)

.760 (19.3)

.885 (22.5)

1.010 (25.7)

1.260 (32.0)

1.510 (38.4)

1.760 (44.7)

2.010 (51.1)

B Thread

Class 2A

3/4 - 20 UNEF

7/8 - 20 UNEF

1 - 20 UNEF

1 1/4 - 18 UNEF

1 1/2 - 18 UNEF

1 3/4 - 18 UNEF

2 - 18 UNEF

G

Flats

.938 (23.8)

1.062 (27.0)

1.250 (31.8)

1.500 (38.1)

1.750 (44.5)

2.000 (50.8)

2.187 (55.5)

C Thread

Class 2A

5/8 - 24 UNEF

3/4 - 20 UNEF

7/8 - 20 UNEF

1 1/8 - 16 UN

1 1/4 - 16 UN

1 1/2 - 16 UN

1 3/4 - 16 UN

H

Max

1.090 (27.7)

1.230 (31.2)

1.440 (36.6)

1.730 (43.9)

2.020 (51.3)

2.320 (58.9)

2.530 (64.3)

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.