#T20-91MS Thumbwheel Switch | Switches

T20-91MS

Code Indicating Wheel Switch

NSN 5930-00-546-5482

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005465482

Product Technical Spec.

Overall Length:
1.760 inches
Overall Height:
1.670 inches
Overall Width:
1.150 inches
Unthreaded Mounting Hole Diameter:
0.100 inches single mounting facility
Individual Section Quantity:
2
Longest Horizontal Distance Between Mounting Centers:
1.590 inches single mounting facility
Longest Vertical Distance Between Mounting Centers:
0.900 inches single mounting facility
Operating Tempurature Range:
-65.0/+85.0 degrees celsius
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:
Printed circuit board surfaces gold
Precious Material:
Gold
Style Designator:
Rectangular inline indicating
NSN:
5930-00-546-5482
Item Name:
Switch,thumbwheel
Cage Code:
01963

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
66-010932-01
Cage Code:
26916
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F
Part Number:
401999-1
Cage Code:
20284
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
8794-2
Cage Code:
07126
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
66-010932-01
Cage Code:
15280
RNCC:
5
RNVC:
9
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Part Number:
401999-1
Cage Code:
12909
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Code Indicating Wheel Switches
------------ P/N T20-91MS

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Last Updated: 07/11/2025