Model: MS27789-21A

Toggle Switch

Properties:

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
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
5930-01-347-8831
Part Number
MS27789-21A
Description
Switch,toggle
CAGE
96906

A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes switch, lever; switch, rotary; switch, knife; switch, sensitive; and switch, box.

Part MS27789-21A NSN 5930-01-347-8831

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00184
FIIG:
A053A0
Concept No.:
App. Key:
U
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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