Model: LO3178

Rotary Switch

Special Features:

Item must comply with requirements of defense supply center columbus production standard no. Lo3178

Properties:

Thread Class
2a single mounting facility
Thread Length
0.437 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
3.629 inches
First Flat Length
0.250 inches single actuator
Flat Height
0.216 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.437 inches single actuator
Overall Diameter
Between 1.000 inches and 1.306 inches
Individual Section Quantity
6
Nonturn Device Type
Slotted bushing at 3: 00 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
End Application
Instrumentati
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
3 each section front
Throw Quantity
4 each section rear
Mounting Method
Threaded bushing w/panel seal single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Shaft Flat/slot Angular Location
195.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity
3 each section
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted single actuator
Criticality Code Justification
Zzzy
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks each section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
250.0 milliamperes resistive load dc at sea level and 100.0 milliamperes inductive load dc at sea level
Contact Load Current Rating
75.0 milliamperes resistive load ac at sea level
Precious Material And Location
Contact surfaces gold
Precious Material
Gold
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unef single mounting facility
Reference Number Differentiating Characteristics
Areference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp
NSN
5930-01-135-5552
Part Number
LO3178
Description
Switch,rotary
CAGE
16236

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part LO3178 NSN 5930-01-135-5552

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
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:
CRITL:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

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