Model: LO3281

Rotary Switch

Special Features:

Item must comply with requirements of defense supply center columbus production standard no. Lo3281

Properties:

Thread Class
2b single mounting facility
Thread Length
0.250 inches 1st mounting facility
Hazardous Locations/environmental Protection
Watertight
Overall Length
8.510 inches
Overall Width
4.380 inches
Shaft Diameter
0.375 inches single actuator
Shaft Length
0.380 inches single actuator
Individual Section Quantity
19
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
A
Longest Horizontal Distance Between Mounting Centers
2.280 inches 2nd mounting facility
Longest Horizontal Distance Between Mounting Centers
3.810 inches 3rd mounting facility
Longest Vertical Distance Between Mounting Centers
2.280 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section rear
Throw Quantity
2 each section rear
Mounting Method
Bracket single mounting facility and threaded hole single mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
20 single mounting facility
Thread Size
0.250 inches single mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round single actuator
Criticality Code Justification
Zzzy
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
10.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc 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
5930-01-155-1251
Part Number
LO3281
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 LO3281 NSN 5930-01-155-1251

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:
A
ESD:
ESD:
MMAC:
CRITL:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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