Multi-Deck Rotary Switches
SERIES 54
1" Diameter, 1 Amp, Add-A-Pot
FEATURES
• MilitaryQualifiedMIL-3786/04
• Central Shaft ꢀesigned to Operate
MILPotentiometer
• Mounting Plate Options Provide
ChoiceofPotentiometer
• Fixed ꢀistance from Switch to
Mounting Plate
DIMENSIONS In inches (and millimeters)
Military Qualified Style
1.162 .010
(29,51 0,25)
ꢀIꢁ.
ꢀIM. ꢁ + .046 –.020
(+ 0,05 –0,51)
.575
(14,61)
REF.
.375
.020
.375
.020
(9,53 (9,53
0,51) 0,51)
1.170 .015
(29,72 0,38)
OVER TERMINꢁLS
C
OF NON-TURN
TꢁB
.140 .062
(3,56 1,57)
L
.250 .020
(6,35 0,51)
.121 .015
(3,07 0,38)
.375
.015
(9,53
#1
THREꢁꢀ
0,38)
.250 .020
(6,35 0,51)
1.000
.010
(25,4
0,25)
15°
.125 + .001 –.002
(3,18 + 0,03 –0,05) ꢀIꢁ.
30°
.250 + .001 –.002
(6,35 + 0,03 –0,05) ꢀIꢁ.
.219 .005
(5,56 0,13)
SEE
.642
.018 .005 (0,46 0,13)
.052 .005 (1,32 0,13)
POTENTIOMETER
MOUNTING
.015
(16,31
0,38)
GRꢁYHILL OR CUSTOMER PꢁRT NUMBER
MꢁRKEꢀ ON SWITCH COVER UPON REQUEST.
MILITꢁRY NUMBER MꢁRKEꢀ ON ꢁLL
QUꢁLIFIEꢀ SWITCHES
NON-TURN TꢁB
.125 .003 (3,18 0,08) WIꢀE BY
.031 .003 (0,79 0,08) THICK
INTEGRꢁL ꢁSSEMBLY NUT,
ꢀO NOT REMOVE
3/8-32 NEF-2ꢁ THREꢁꢀ
BUSHING KEYWꢁY .066 .002 (1,68 0,05)
WIꢀE BY .036 .003 (0,91 0,08) ꢀEEP FROM
ꢁ .375 (9,53) ꢀIꢁ.
Note: Common locations for a single pole per
deck switch. For common location on
multiple switches, see circuit diagram.
Number
of
Decks
Approximate
Weight
Grams
Potentiometer Mounting
The two mounting plates shown below are supplied with
each switch.
Dimension
A
1
2
3
1.024 (26,01)
1.370 (34,80)
1.716 (43,59)
60
67
74
.130 .003
(3,30 0,08)
DIA. (2)
27.5
2
15
2
.245 .003
(6,22 0,08) R.
.437 .003
(11,10 0,08) R.
.098 .003
(2,49 0,08) DIA. (3)
.380 .003
(9,65 0,08)
DIA. (1)
Series 54M ꢁdd-ꢁ-Pot Switch is a concentric
shaft unit with provision for potentiometer
mounting. Outer shaft operates switch decks.
Inner shaft terminates in tapered tongue,
which allows any desired potentiometer to be
mounted. The Series 54M ꢁdd-ꢁ-Pot is
qualified to MIL-ꢀTL-3786/4-3. Patent No.
3,297,830.
THROUGH BOLT
HOLE (2 EA.)
.261 .003
(6,63 0,08) DIA. (1)
15
2
9
.375 .003
(9,53 0,08) R.
.531 .003
(13,49 0,08) R.
2
1.265
(32,13)
DIA.
1.265
(32,13)
DIA.
Grayhill part number and date code marked on detent
cover label. Customer part number marked on
Mounting Plate A
Mounting Plate B
request. Military part number marked when required.
Rotary
27
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com