#T20-12A2 Thumbwheel Switch | Switches

T20-12A2

Code Indicating Wheel Switch

NSN 5930-01-153-9574

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
011539574

Product Technical Spec.

Hazardous Locations/environmental Protection:
Shock resistant and vibration resistant
Overall Length:
1.770 inches
Overall Height:
1.791 inches
Overall Width:
1.156 inches
Unthreaded Mounting Hole Diameter:
0.100 inches single mounting facility
Individual Section Quantity:
2
Longest Horizontal Distance Between Mounting Centers:
1.600 inches single mounting facility
Longest Vertical Distance Between Mounting Centers:
0.900 inches single mounting facility
End Application:
4920-01-064-0600 test console
Mounting Method:
Bracket single mounting facility and unthreaded hole single mounting facility
Actuator Type:
Thumbwheel all actuators
Contact Voltage Rating In Volts:
28.0 ac at sea level
Contact Voltage Rating In Volts:
28.0 dc at sea level
Mounting Facility Pattern:
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity:
10 all actuators
Terminal Type:
Printed circuit
Contact Load Current Rating:
125.0 milliamperes resistive load ac at sea level
Contact Load Current Rating:
125.0 milliamperes resistive load dc at sea level
Readout Indicator Marking:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 each section
Contact Arrangement Truth Table:
Bcd complement only, 1 pole - 10 positions each section
Color:
Black each body
Color:
Black each indicator background
Color:
White each indicator marking
Precious Material And Location:
Contact and printed circuit board circuit surfaces gold and contacts silver
Precious Material:
Gold and silver
Style Designator:
Rectangular inline indicating
NSN:
5930-01-153-9574
Item Name:
Switch,thumbwheel
Cage Code:
01963

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
305110-003
Cage Code:
81413
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Code Indicating Wheel Switches
------------ P/N T20-12A2

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Last Updated: 07/23/2025