Multi-Deck Rotary Switches
SERIES 71
.5-.75" Diameter, 1/4 Amp
FEATURES
• PerformanceandValueLeader
• Molded-In Position Terminals
• Choice of Shaft/Bushing Diameters
• 30° and 36° Angles of Throw
• Military Qualified MIL-DTL-3786/39
DIMENSIONS: Standard and Military In inches (and millimeters)
Rear Views–Style A, B, MA, MB
(and sealed versions)
0.125" Diameter Shaft–Styles A and MA (and sealed versions)
30° and 36° Angle of Throw may be
interposed on either shaft diameter.
.687 .015
.312 .020
DIM. A .046 (1,17)
(17,45 0,38)
DIA.
(7,92 0,51)
DIM. B REF.
STUD PROJECTION
(SEE CHARACTER-
ISTICS)
30° Angle of Throw
SEE DETAIL
.375 .020
(9,53 0,51)
.094 .010
(2,39 0,25)
.500 .015
(12,7 0,38)
DIA.
.250 .020
(6,35 0,51)
SEE
CHART
.562
.015
(14,27
0,38)
C
.125 + .001
–.002 DIA.
(3,18 + 0,25
–0,05)
.203 .005
(5,16 0,13)
1/4 32UNEF-2A THREAD
C
OF POSITION NO. 1
L
SEE NOTE
.750 .020
C
OF BUSHING FLATS
L
(19,05 0,51)
OVER TERMINALS
0.250" Diameter Shaft–Styles B and MB (and sealed versions)
36° Angle of Throw
.312 .020
(7,92 0,51)
.687 .015
(17,45 0,38)
DIA.
SEE DETAIL
.375 .020
(9,53 0,51)
.500 .015
(12,7 0,38)
DIA.
.219 .004
(5,56 0,10)
All dimensions not shown
are the same as above.
.250 .020
(6,35 0,51)
SEE
CHART
C
.250 + .001
–.002 DIA.
(6,36 + 0,25
–0,05)
BUSHING KEYWAY
.066 .002 (1,68 0,05) WIDE BY
.036 .003 (0,91 0,08) DEEP
FROM A .375 (9,53) DIA.
SEE NOTE
.750 .020
C
OF POSITION NO. 1
L
(19,05 0,51)
OVER TERMINALS
C
OF BUSHING KEYWAY
L
3/8-32UNEF-2A THREAD
Note: Common location for a single pole per
deck switch. For common location on
multipole switches see circuit diagrams.
Approx.
Weight
Grams
Approx.
Weight
Grams
No. of
Decks
Dimension
A
Dimension
B
No. of
Dimension
Dimension
B
Decks
A
1
2
3
4
5
6
.761 (19,33)
.979 (24,87)
1.197 (30,40)
1.415 (35,94)
1.633 (41,48)
2.131 (54,13)
.031 (0,79)
.031 (0,79)
.031 (0,79)
.031 (0,79)
.031 (0,79)
.312 (7,92)
14
16
18
20
22
24
7
8
9
10
11
12
2.349 (59,66)
2.567 (65,20)
2.785 (70,74)
3.003 (76,28)
3.221 (81,81)
3.439 (87,35)
.312 (7,92)
.312 (7,92)
.312 (7,92)
.312 (7,92)
.312 (7,92)
.312 (7,92)
26
28
30
32
34
36
Terminal Detail
.034 .003
(0,86 0,08)
.068 .005
(1,73 0,13)
Angle C is 15° in 12 position switches and 36 ° in 10 position switches.
Grayhill part number and date code marked on detent cover label. Customer part
number marked on request. Military part number marked when required.
Rotary
2
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com