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Last Modified: Sep 20, 2018

Part Number L4-290A Code Indicating Wheel Switch

National Stock Number: 5930-01-142-1474

L4-290A Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

L4-290A

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Summary Information (click on this NSN number for detailed information: 5930-01-142-1474)

Definition: Code Indicating Wheel Switch, also referenced with federal logistics item name code 62415: 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.
Federal Supply Class (FSC): 5930
NIIN: 01-142-1474 (011421474)
NMF Description: --
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