Model: SM-A-988739-4

Code Indicating Wheel Switch

Properties:

Hazardous Locations/environmental Protection
Moisture resistant and dust resistant and salt spray resistant
Overall Length
2.760 inches
Overall Height
1.770 inches
Overall Width
1.150 inches
Unthreaded Mounting Hole Diameter
0.100 inches single mounting facility
Individual Section Quantity
4
Longest Horizontal Distance Between Mounting Centers
2.590 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
0.900 inches single mounting facility
Operating Tempurature Range
-25.0 to 150.0 degrees fahrenheit
End Application
5895-01-108-5631 satellite comm term
Pole Quantity
1 each section in-line
Throw Quantity
10 each section in-line
Mounting Method
Bracket and unthreaded hole single mounting facility
Actuator Type
Thumbwheel all actuators
Contact Voltage Rating In Volts
28.0 dc at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
10 all actuators
Terminal Type
Printed circuit
Contact Switching Action
Breaks before makes each section in-line
Contact Load Current Rating
100.0 milliamperes resistive load dc at sea level
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 each section
Contact Arrangement Truth Table
Bcd, 1 pole - 10 positions each section
Color
Natural each indicator background
Color
Natural each indicator marking
Color
Natural single body
Style Designator
Rectangular inline indicating
NSN
5930-01-223-9299
Part Number
SM-A-988739-4
Description
Switch,code Indicating Wheel
CAGE
80063

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.

Part SM-A-988739-4 NSN 5930-01-223-9299

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62415
FIIG:
A052B0
Concept No.:
1
App. Key:
C
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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