Model: 74903LJ

Rotary Switch

Properties:

Overall Length
5.531 inches
Overall Height
2.906 inches
Overall Width
2.812 inches
Unthreaded Mounting Hole Diameter
0.221 inches single mounting facility
Individual Section Quantity
3
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
C
Knob Specificationial Markings
Lower norm raise
Longest Horizontal Distance Between Mounting Centers
2.000 inches single mounting facility
Shortest Horizontal Distance Between Mounting Centers
1.000 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
2.188 inches single mounting facility
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Method
Bracket single mounting facility and unthreaded hole single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
125.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
500.0 highest ac voltage rating at sea level
Mounting Facility Pattern
Isosceles triangle single mounting facility
Switch Actuator Indexing Position Quantity
3 single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section periphery
Switch Actuator Positioning Increment
45.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
20.0 amperes resistive load lowest ac voltage rating at sea level
Contact Load Current Rating
5.0 amperes resistive load highest ac voltage rating at sea level
Precious Material And Location
Contact and terminal surfaces silver
Precious Material
Silver
Style Designator
Tap, circuit selector
NSN
5930-01-018-2335
Part Number
74903LJ
Description
Switch,rotary
CAGE
82121

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 74903LJ NSN 5930-01-018-2335

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.0 X 4.0 X 4.0
Paclk Weight:
--
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: 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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