Model: 8856K78

Toggle Switch

Special Features:

Weapon system essential

Properties:

Body Style
Bushing mount
Overall Length
0.572 inches
Overall Height
2.277 inches
Overall Width
0.556 inches
Bushing Length
0.438 inches
Body Length
0.572 inches
Body Width
0.556 inches
Actuator Style
Round
Actuator Diameter
0.430 inches
Actuator Height
1.102 inches
Actuator Position-action Relationship
Up position maintained and down position maintained
Actuator Position-locking Relationship
Up position no locking action and down position no locking action and center position locked out
Maximum Voltage Rating In Volts
115.0 ac and 28.0 dc
End Application
Weapon systems-ta-4j aircraft; helicopter, search and rescue, hh-60h; aircraft, viking s-3b; helicopter, uscg search and rescue, hh-60j; helicopter, lamps mark iii, sh-60b; helicopter, carrier based asw, sh-60f; aircraft, hercules c-130; aircraft, hornet f/a-18; aircraft, harrier av-8b
Mounting Surface To Terminal End Distance
0.706 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
2 pole, double throw, both positions maintained single switch unit
Criticality Code Justification
Feat
Contact Load Current Rating At Maximum Rated Voltage
5.000 amperes resistive dc and 1.000 amperes inductive dc and 2.000 amperes resistive ac and 1.000 amperes inductive ac
Precious Material And Location
Terminal surfaces gold
Test Data Document
81349-mil-s-8834 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 tab, solder lug
Specification Data
96906-ms21437 government standard
NSN
5930-01-203-6858
Part Number
8856K78
Description
Switch,toggle
CAGE
81640

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 8856K78 NSN 5930-01-203-6858

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:
G
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:
M
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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