#66AT491A Aircraft Switch | Switches

66AT491A

Toggle Switch

NSN 5930-01-117-0740

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
011170740

Product Features

Flexible insulators

Detail Specifications

Thread Class:
2a
Body Style:
Bushing mount
Hazardous Locations/environmental Protection:
Weatherproof
Overall Length:
1.100 inches
Overall Height:
2.620 inches
Overall Width:
0.930 inches
Bushing Length:
0.470 inches
Body Length:
1.100 inches
Body Width:
0.930 inches
Case Material:
Plastic
Actuator Style:
Round
Actuator Diameter:
0.420 inches
Actuator Height:
1.050 inches
Actuator Position-action Relationship:
Up position maintained and down position maintained and center position maintained
Actuator Position-locking Relationship:
Up position no locking action and down position no locking action and center position locked in and out
Actuator Color:
White single actuator
Maximum Voltage Rating In Volts:
250.0 ac and 28.0 dc
Mounting Surface To Terminal End Distance:
1.100 inches
Inclosure Type:
Fully enclosed
Mounting Method:
Threaded bushing
Features Provided:
Actuator seal
Thready Qty Per Inch (tpi):
32
Thread Size:
0.469 inches
Nonpile-up Contact Arrangement:
6 pole, double throw, three positions maintained single switch unit
Contact Load Current Rating At Maximum Rated Voltage:
7.000 amperes resistive dc and 4.000 amperes inductive dc and 2.500 amperes lamp dc and 4.000 amperes motor dc and 7.000 amperes resistive ac and 7.000 amperes inductive ac and 2.000 amperes lamp ac and 3.300 amperes motor ac
Precious Material And Location:
Contacts silver
Thread Series Designator:
Uns
Terminal Type And Quantity:
18 tab, solder lug
NSN:
5930-01-117-0740
Item Name:
Aircraft Switch
Cage Code:
91929

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
GS836EP1
Cage Code:
26512
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Toggle Switches
------------ P/N 66AT491A

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Last Updated: 03/31/2025