#MS27789-21L Aircraft Switch | Switches

MS27789-21L

Toggle Switch

NSN 5930-01-481-5981

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
014815981

Product Features

Locked out of down position (keying side)

Detail Specifications

Thread Class:
2a
Body Style:
Bushing mount
Bushing Length:
0.470 inches
Body Length:
1.660 inches
Body Width:
1.340 inches
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 locked in and down position locked in and center position locked in
Maximum Voltage Rating In Volts:
115.0 ac and 28.0 dc
End Application:
Master armament switch
Mounting Surface To Terminal End Distance:
1.706 inches
Inclosure Type:
Fully enclosed
Mounting Method:
Threaded bushing
Thready Qty Per Inch (tpi):
32
Thread Size:
0.469 inches
Nonpile-up Contact Arrangement:
4 pole, double throw, three positions maintained single switch unit
Contact Load Current Rating At Maximum Rated Voltage:
7.500 amperes resistive ac and 7.500 amperes inductive ac and 4.000 amperes lamp ac and 7.500 amperes resistive dc and 7.500 amperes inductive dc and 7.000 amperes lamp dc
Test Data Document:
81349-mil-s-3950 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Uns
Terminal Type And Quantity:
12 socket, integrated wire termination
Specification Data:
96906-ms27789 government standard
NSN:
5930-01-481-5981
Item Name:
Aircraft Switch
Cage Code:
96906

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MIL-S-3950
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
9Z
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Toggle Switches
------------ P/N MS27789-21L

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Last Updated: 03/01/2025