National Item Identification Number

01-183-9379
011839379
5930-01-183-9379
5930011839379

National Stock Number

Item Name

SWITCH,CODE INDICATING WHEEL

Federal Supply Class

5930

Description

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.

Commercial and Government Entity Code (Supplier Data)

---

Reference Numbers (Part Numbers)

G645121
G645121

Required Categories

SPECIAL TEST FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
THE MAN

Required Description

MIL-Q-21549B-SP24-1
AS DIFFERENTIATED BY SPECIAL TEST FEATURES
64959
G645121