#T20-89A4 Coding Indicating Dual Push Button Switch | Switches

T20-89A4

Code Indicating Wheel Switch

NSN 5930-01-314-0970

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
013140970

Product Technical Spec.

Hazardous Locations/environmental Protection:
Dustproof
Overall Length:
2.765 inches
Overall Height:
2.415 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:
2.595 inches single mounting facility
Longest Vertical Distance Between Mounting Centers:
0.900 inches single mounting facility
Mounting Method:
Unthreaded hole single mounting facility
Actuator Type:
Thumbwheel all actuators
Mounting Facility Pattern:
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity:
16 all actuators
Terminal Type:
Printed circuit
Readout Indicator Marking:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f each section
Contact Arrangement Truth Table:
Special each section
Color:
Black each body
Color:
Black each indicator background
Color:
White each indicator marking
Precious Material And Location:
Contacts gold
Precious Material:
Gold
Style Designator:
Rectangular inline indicating
NSN:
5930-01-314-0970
Item Name:
Switch,dual Push Button,coding Indicating
Cage Code:
01963

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Code Indicating Wheel Switches
------------ P/N T20-89A4

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Last Updated: 07/20/2025