Printed in U.S.A.

www.glenair.com

CAGE CODE 06324

© 2009 Glenair, Inc.

E-Mail: sales@glenair.com

B-53

B

947-282

Flange Mount Hermetic Bulkhead Feed-Thru

MIL-DTL-38999/21 Series III Type

APPLICATION NOTES

Assembly identified with manufacturer’s name and PN, space

1.

permitting.

Material/Finish:

2.

Shell, lock ring, jam nut—CRES/passivate or CRES/nickel plate

Pin Contacts—nickel iron alloy/gold plate

Socket Contacts—copper alloy/gold plate

Insulator, Hermetic—vitreous glass/N.A.

Insulator, Socket—rigid dielectric/N.A.

Socket Insulator—high grade rigid dielectric/N.A.

Seals—fluorosilicone blend/ N.A.

Electrical safety limits must be established by user, peak

3.

voltage, switching surge, transient, etc. Should be used

to determine the safety application.

Hermeticity <1 x 10

4.

-7

cc He/sec at 1 ATM differential

Glenair 947-282 will mate with any QPL manufacturers

5.

D38999 series III plugs of same shell size, broach

position, and opposite contact gender.

Metric dimensions (mm) are indicated in parentheses.

6.

TABLE I: CONNECTOR DIMENSIONS

SHELL

SIZE

A THREAD

0.1 P-0.3L-TS-2

B SQ.

C

BASIC

D

BASIC

E

F

Ø H MIN. Ø G HOLES

K

9

0.625

.949

.925

.719

.594

.136

.120

.224

.208

.656

.133

.123

.724

.714

11

0.750

1.043

1.019

.812

.719

.202

.186

.781

.817

.807

13

0.875

1.138

1.114

.906

.812

.202

.186

.921

.911

.901

15

1.000

1.232

1.208

.969

.906

.181

.165

1.047

.973

.963

17

1.187

1.323

1.299

1.062

.969

.202

.186

1.218

1.067

1.057

19

1.250

1.449

1.425

1.156

1.062

.202

.186

1.296

1.161

1.151

21

1.375

1.575

1.551

1.250

1.156

.202

.186

1.421

1.255

1.245

23

1.500

1.701

1.677

1.375

1.250

.162

.146

.250

.234

1.546

.159

.149

1.380

1.370

25

1.625

1.823

1.799

1.500

1.375

.250

.234

1.672

1.505

1.495

4 x G Holes

K

K

Ø H Min.

Back Panel

Mounting

NASA SCREENING LEvELS AND MODIFICATION CODES

NASA Screening

Level

Special Screening

Only

Special Screening Plus Outgassing

Processing

8 Hour Oven

Bake

400° F.

Thermal vacuum

Outgassing

24 hrs. 125° C.

Level 1 Highest

Reliability

Mod 429B

Mod 429J

Mod 429C

Level 2 High

Reliability

Mod 429

Mod 429K

Mod 429A

Level 3 Standard

Reliability

(Use standard part

number)

Mod 186

Mod 186M

HERMETIC LEAK RATE MOD CODES

Designator

Required Leak Rate

–585A

–585B

–585C

HERMETIC LEAK RATE MOD CODES

Designator

Required Leak Rate

A

B

C

– 585B

Mod Code

Leak Rate Designator