Model: 840609-2

Code Indicating Wheel Switch

Special Features:

Non-switching load 2 amps max; oper force 4 to 8 oz.; 100 milliohms contact resistance

Properties:

Overall Length
1.210 inches
Overall Width
1.100 inches
Operating Tempurature Range
-20.0/+70.0 degrees celsius
End Application
Adats and skyguard radar iff s.E.
Contact Voltage Rating In Volts
28.0 ac at altitude
Contact Voltage Rating In Volts
28.0 dc at sea level
Style Designator
Rectangular inline indicating
NSN
5930-01-421-2404
Part Number
840609-2
Description
Switch,code Indicating Wheel
CAGE
80249

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 840609-2 NSN 5930-01-421-2404

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:
A
ESD:
A
MMAC:
CRITL:
X

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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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