Model: 28402

Code Indicating Wheel Switch

Properties:

Overall Length
0.380 inches
Overall Height
1.200 inches
Overall Width
1.500 inches
Individual Section Quantity
1
Mounting Method
Press fit single mounting facility
Actuator Type
Push button single actuator
Contact Voltage Rating In Volts
28.0 dc at sea level
Switch Actuator Indexing Position Quantity
9 single actuator
Terminal Type
Wire lead
Contact Load Current Rating
3.0 amperes resistive load dc at sea level
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 single section
Contact Arrangement Truth Table
Special single section
Special Truth Table Identification
91812-28402-1 single section
Color
Black single indicator marking
Style Designator
Rectangular indicating
NSN
5930-01-430-9143
Part Number
28402
Description
Switch,code Indicating Wheel
CAGE
91812

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 28402 NSN 5930-01-430-9143

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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