Multi-Deck Rotary Switches
SERIES 53, 57 and 59
1.125" Diameter, 1/4 Amp
FEATURES
• Smallest Diameter Rotary Switch
with this Number of Positions and
Current Capacity
• Military Qualified MIL-DTL-3786/36
• Gold-plated Contact System
Compatible with Logic Circuitry
DIMENSIONS In inches (and millimeters)
Military Style
Ser. 53—1.281 (32,54)
Ser. 57 & 59—
1.125 .010 (28,58 0,25)
+ .046 (1,17)
– .020 (0,51)
DIM. A
.437
.020
(11,10
0,51)
.437
.020
(11,10
0,51)
DIM. B REF. STUD
PROJECTION
.250 .020
(6,35 0,51)
Rear views
shown with circuit
diagrams
1.000 (25.4) SER. 57 & 59
1.156 (29.36) SER. 53
.010 (0,25)
C
L
45°
.250 + .001
–.002 DIA.
(6,35 + 0,03
–0,05)
C
L
OF BUSHING
KEYWAY
SEE
CIRCUIT
DIAGRAM
C
.219 .004
(5.56 0,10)
MILITARY NUMBERS MARKED HERE
L
BUSHING KEYWAY
C
L
OF POSITION
NO. 1
.066 .002 (1,68 0,05) WIDE
BY .036 .003 (0,91 0,08)
DEEP FROM A .375 (9,53) DIA.
INTEGRAL ASSEMBLY NUT. DO NOT REMOVE.
3/8-32 UNEF-2A THREAD
Approx.
Weight
Grams
Approx.
Weight
Grams
Non-Turn Washer Detail D
No. of
Decks
Dimension
A
Dimension
B
No. of
Decks
Dimension
A
Dimension
B
.375 .005
(9,53 0,13)
1
2
3
4
5
6
.916 (23,27)
1.249 (31,72)
1.582 (40,18)
1.915 (48,64)
2.248 (57,10)
2.831 (71,91)
.032 (0,81)
.032 (0,81)
.032 (0,81)
.032 (0,81)
.032 (0,81)
.281 (7,14)
50
60
70
80
90
7
8
9
10
11
12
3.164 (80,37)
3.497 (88,82)
3.830 (97,28)
4.163 (105,74)
4.496 (114,20)
4.829 (122,66)
.281 (7,14)
.281 (7,14)
.281 (7,14)
.281 (7,14)
.281 (7,14)
.281 (7,14)
110
120
130
140
150
160
.125
.003
(3,18
0,08)
.032 .003
(0,81 0,08)
100
STYLE M—.187 (4,75)
STYLE HS—.125 (3,18)
.010 (0,25)
Mounting Hardware: Two mounting nuts, .094" (2,39) thick by .562" (14,27) across flats, one internal tooth lockwasher
and one non-turn washer (see detail D for dimensions), are supplied with switch.
Grayhill part number and date code marked on detent cover label. Customer part number marked on request. Military
part number marked when required.
The qualification of the Series 53, 57 and 59
rotary switches does not extend to all possible
combinations listed in the Choices and
Limitations chart. The limitations on the
qualification are described in the chart shown
below.
STANDARD STYLE
MILITARY QUALIFIED
The line drawings shown above are applicable
to the Style M and Style HS. The only difference
between the two is the length of the tab of the
non-turn washer. The shorter tab for the HS is
explained in the following paragraph.
The Series 53, 57 and 59 rotary switches are all
military type switches. Grayhill manufactures
these switches in two styles: M and HS. Style M
isunsealedandisnot qualified;StyleHSisshaft
and panel sealed and is qualified. The non-
qualified Style M can be regarded as our
Standard Style for types of switches. Although
it is not qualified, Style M is constructed of the
same military grade materials and will provide
comparable performance in all areas. For
example, the Style ‘M’ switches, in addition to
the electrical ratings listed elsewhere in these
pages, will meet the following requirements of
MIL-DTL-3786:
The Series 53, 57 and 59 Style HS rotary
switches are qualified to MIL-DTL-3786/36. The
Style HS is shaft and panel sealed. The panel is
sealed by an O-ring at the base of the bushing.
The shaft is sealed by an O-ring inside the
bushing.Thesesealsdonotalterthedimensions
shown in the line drawings when the switch is
mounted.
Standard variations, such as shaft and/or
bushing length, etc., that do not affect switch
performance can also be marked as qualified
product. For complete details contact Grayhill.
Military qualified Series 53, 57 and 59 Style HS
rotary switches may be ordered by the ‘M’
number listed in MIL-DTL-3786/36 or by the
Grayhill part number. Military style switches
will be marked to the specification.
A non-turn washer, supplied with the mounting
hardware, may be used with the Style HS
switches.Itissuggestedthatthenon-turnwasher
be mounted in the following manner to preserve
the seal: from the front of the panel into a hole
that does not go through the panel.
Style HS Switches are MIL-DTL-3786/36
Qualified for the Following Characteristics
Moisture Resistance: Medium and High Shock;
Vibration (10 to 500 cps); Thermal Shock (-65
°C to 125 °C); Salt Spray; Explosion; Terminal
Strength (pull, 2 lbs. minimum); and Stop
Strength (15 pound-inches minimum).
Max. No.
of Decks
Max. No.
Poles/Deck Total Poles/Switch
Max. No.
Series
53
57
59
5
5
5
8
4
5
24
20
20
Rotary
32
Grayhill, Inc.
•
561 Hillgrove Avenue
•
LaGrange, Illinois 60525-5997
•
USA
•
Phone: 708-354-1040
•
Fax: 708-354-2820
•
www.grayhill.com
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