OPT.
3/8-32UNEF-2A
9.53
(.375)
1.60 ± 0.25
(.063 ± .010)
OPT.
1.194 ± 0.10
(.047 ± .004)
SHAFT
6.35
(.250)
BUSHING
9.53
(.375)
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
STD. LENGTH ‘L’
.750 (19.05)
.875 (22.23)
A Style Bushing
C Style Bushing
A Style Bushing -
Flatted Shaft
DIMENSIONS:
MM
(INCHES)
How To Order
REV. 03/12
Shaft/Bushing Styles
1/4-32UNEF-2A
OPT.
6.35
(.250)
0.79 ± 0.25
(.031 ± .010)
OPT.
0.79 ± 0.10
(.031 ± .004)
SHAFT
3.18
(.125)
BUSHING
6.35
(.250)
3/8-32UNEF-2A
OPT.
9.53
(.375)
1.52 ± 0.25
(.060 ± .010)
OPT.
5.49 ± 0.10
(.216 ± .005)
SHAFT
6.35
(.250)
BUSHING
9.53
(.375)
MAX. FLAT LENGTH
15.88
(.625)
Asia-Pacifi c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
54 A A D - C 28 - B 15 / P50 L
MODEL
Code
54
Description
PC Terminals w/Push-Pull
Switch
BUSHING DESIGNATOR
Code
A
C
Description
3/8 ” D x 3/8 ” L Threaded
1/4 ” D x 1/4 ” L Threaded
SWITCH OPTION
Code
P50
Description
DPDT
SHAFT LENGTH DESIGNATOR
Code
24
28
Description
3/4 ” FMS Long
7/8 ” FMS Long
RESISTANCE CODES
Code
10
13
15
18
20
22
23
Value in Ohms
1K
5K
10K
50K
100K
250K
500K
ELEMENT TAPER
TYPE/TOLERANCE
Code
B
E
D
S
Description
Linear CP ±20 %
Linear CP ±10 %
CW Audio CP ±20 %
CW Audio CP ±10 %
ANTI-ROTATION LUG /
BRACKET OPTION
Code
A
D
L
N
Description
AR Lug 90 ° CW
No AR Lug or Bracket
Front Bracket
Front and Rear Bracket
NO. OF SECTIONS
Code
A
Description
Single plus Switch
RoHS IDENTIFIER
Description
Compliant
Code
L
Boldface features are Bourns
standard options. All others are
available with higher minimum
order quantities.
AVAILABLE ONLY WITH
SHAFT STYLE BUSHING
Code Description Code
B 1/4 ” D Slotted End A
C 1/4 ” D Flatted End A
E 1/8 ” D Slotted End C
STD. LENGTH ‘L’
.750 (19.05)
.875 (22.23)
STD. LENGTH ‘L’
.750 (19.05)
.875 (22.23)
