Model: MIL-S-3950

Toggle Switch
Description:

2a thread class, bushing mount body style, submersible hazardous locations/environmental protection, 1.340 inches overall length.

Special Features:

Weapon system essential

Properties:

Thread Class
2a
Body Style
Bushing mount
Hazardous Locations/environmental Protection
Submersible
Overall Length
1.340 inches
Overall Height
0.910 inches
Overall Width
2.890 inches
Bushing Length
Between 0.450 inches and 0.490 inches
Body Length
1.340 inches
Body Width
0.910 inches
Body Height
Between 1.090 inches and 1.130 inches
Actuator Style
Round
Actuator Diameter
Between 0.400 inches and 0.440 inches
Actuator Height
Between 1.030 inches and 1.070 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
Maximum Voltage Rating In Volts
60.0 ac and 28.0 dc
End Application
Submarine communications and antenna systems; aircraft: t-2, f-111, delta dart f-106, ov-10a and the u-2 airframe; submarine interior communication system
Inclosure Type
Fully enclosed
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
32
Thread Size
0.469 inches
Nonpile-up Contact Arrangement
2 pole, double throw, both positions maintained single switch unit
Criticality Code Justification
Feat
Contact Load Current Rating At Maximum Rated Voltage
20.000 amperes resistive dc and 12.000 amperes inductive dc and 5.000 amperes lamp dc and 15.000 amperes resistive ac and 15.000 amperes inductive ac and 4.000 amperes lamp ac
Test Data Document
81349-mils3950 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
6 screw
NSN
5930-00-021-6411
Part Number
MIL-S-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-S-3950 NSN 5930-00-021-6411

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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
Y

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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