Model: MIL-DTL-3950

Toggle Switch
Description:

2a thread class, bushing mount body style, vaportight hazardous locations/environmental protection, 1.270 inches overall length.

Properties:

Thread Class
2a
Body Style
Bushing mount
Hazardous Locations/environmental Protection
Vaportight
Overall Length
1.270 inches
Overall Height
2.790 inches
Overall Width
0.635 inches
Bushing Length
0.470 inches
Body Length
1.270 inches
Body Width
0.635 inches
Body Height
0.930 inches
Actuator Style
Round
Actuator Diameter
0.420 inches
Actuator Height
1.140 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 out and down position no locking action and center position no locking action
Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
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
1 pole, double throw, both positions maintained single switch unit
Contact Load Current Rating At Maximum Rated Voltage
20.000 amperes resistive dc and 15.000 amperes inductive dc and 5.000 amperes lamp dc and 15.000 amperes resistive ac and 10.000 amperes inductive ac and 3.000 amperes lamp ac
Precious Material And Location
Terminal surfaces silver
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
3 screw
Specification Data
96906-ms24658 government standard
NSN
5930-00-057-5848
Part Number
MIL-DTL-3950
Description
Switch,toggle
CAGE
81349

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 MIL-DTL-3950 NSN 5930-00-057-5848

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:
S
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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