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