Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

3549 - 10-Turn Precision Potentiometer

Product Dimensions

Single Gang, Bushing Mount

Dual Gang, Bushing Mount

30

° ± 5 °

12.649

± 0.254

(.498

± .010)

MOUNTING FACE

16.256

(.640)

MAX.

R

DIA.

DIA.

22.479

± 0.812

(.885

± .032)

19.812

± 0.812

(.780

± .032)

6.86

± 0.25

(.270

± .010)

1.524

± 0.254

(.060

± .010)

20.617

± 0.787

(.812

± .031)

7.92

± 0.381

(.312

± .015)

SHAFT DIMENSION “A”

10.287 + 0.00/-0.05

(.405 +0.00/-.002)

12.7

± 0.254

(.500

± .010)

5.715

± 0.381

(.225

± .015)

0.762

(.030)

0.813

(.032)

14.046

± 0.381

(.553

± .015)

18.446

± 0.381

(.726

± .015)

MOUNTING SURFACE

BUSHING TYPE “B”

ADJUSTMENT SLOT:

WIDE X

0.813

(.032)

DEEP

R

2

1

3

TOLERANCES: EXCEPT WHERE NOTED

DECIMALS: .XX

±

.XXX

±

.XXXX

±

DIMENSIONS:

1

CLOCKWISE

CCW

.50

(.02)

.127

(.005)

.0127

(.0005)

MM

(IN)

Shaft Dimension "A"

6.34 +0/-0.022

(0.2497 +0/-0.0009)

6.00 +0/-0.022

(0.2362 +0/-0.0009)

6.34 +0/-0.007

(0.2497 +0/-0.0003)

6.00 +0/-0.007

(0.2362 +0/-0.0003)

6.34 +0/-0.007

(0.2497 +0/-0.0003)

6.00 +0/-0.007

(0.2362 +0/-0.0003)

Bushing

Selection

Code

A

B

C

D

G

H

Bushing Type "B"

3/8 " 32-UNEF- 2A THD.

M9 X 0.75-8g

3/8 " 32-UNEF- 2A THD.

M9 X 0.75-8g

3/8 " 32-UNEF- 2A THD.

M9 X 0.75-8g

Shaft Material

Nickel Plated Brass

Nickel Plated Brass

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Bushing Material

Brass

Brass

Bronze

Bronze

Bronze

Bronze

OPTIONAL

ANTI-

ROTATIONAL

PIN

OPTIONAL

ANTI-ROTATIONAL

PIN

1.524 +.000/-0.127

(.060 +.000/-.005)

DIA.

1.016

(.040)

30

° ± 5 °

12.649

± 0.254

(.498

± .010)

MOUNTING FACE

16.256

(.640)

MAX.

R

DIA.

DIA.

22.479

± 0.812

(.885

± .032)

6.86

± 0.25

(.270

± .010)

1.52

(.060)

20.643

± 0.787

(.813

± .031)

7.92

± 0.381

(.312

± .015)

SHAFT

DIMENSION

“A”

10.287 + 0.00/-0.05

(.405 +0.00/-.002)

12.7

± 0.254

(.500

± .010)

6.02

± 0.381

(.237

± .015)

0.813

(.032)

14.351

± 0.381

(.565

± .015)

18.796

± 0.381

(.740

± .015)

MOUNTING SURFACE

BUSHING TYPE “B”

ADJ. SLOT:

WIDE X

0.813

± .0004

(.032

± .010)

DEEP

26.467

± 0.762

(1.042

± .030)

34.798

± 0.762

(1.370

± .030)

39.243

± 0.762

(1.545

± .030)

40.259

± 0.762

(1.585

± .030)

2

2

1

1

3

3

1

CCW

1

CLOCKWISE

CCW

WIPER

2

2

OPTIONAL

ANTI-

ROTATIONAL

PIN

OPTIONAL

ANTI-ROTATIONAL

PIN

1.524 +.000/-0.127

(.060 +.000/-.005)

DIA.

1.016

(.040)