Model: 74905LC

Rotary Switch

Properties:

Hazardous Locations/environmental Protection
Explosion proof
Overall Height
2.906 inches
Overall Width
2.813 inches
Unthreaded Mounting Hole Diameter
0.221 inches single mounting facility
Individual Section Quantity
5
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 symmetrical and nonpile-up nonsymmetrical
Pole Quantity
1 2nd section front
Pole Quantity
1 3rd section front
Throw Quantity
2 2nd section front
Throw Quantity
2 3rd section front
Contact Voltage Rating In Volts
125.0 ac at sea level
Switch Actuator Momentary Position
Counterclockwise single actuator
Mounting Facility Pattern
Isosceles triangle single mounting facility
Switch Actuator Indexing Position Quantity
3 single actuator
Terminal Type
Screw
Contact Switching Action
Breaks before makes 3rd section front
Contact Switching Action
Breaks before makes 2nd section front
Contact Load Current Rating
20.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
NSN
5930-01-018-2328
Part Number
74905LC
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 74905LC NSN 5930-01-018-2328

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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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