Model: 124912LK

Rotary Switch

Special Features:

Item must comply with requirements of defense electronics supply center production standard no. L04177; for navy nuclear propulsion plant products only

Properties:

Thread Class
2b 1st mounting facility
Hazardous Locations/environmental Protection
Shock resistant
Overall Length
8.063 inches
Overall Height
3.688 inches
Overall Width
3.812 inches
Unthreaded Mounting Hole Diameter
0.312 inches 2nd mounting facility
Distance Between Mounting Facility Centers
3.812 inches 2nd mounting facility
Individual Section Quantity
12
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Facility Circle Radius
1.609 inches 1st mounting facility
Mounting Method
Bracket 1st mounting facility and threaded hole 1st mounting facility
Mounting Method
Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
20 1st mounting facility
Thread Size
0.250 inches 1st mounting facility
Contact Voltage Rating In Volts
500.0 ac at sea level
Mounting Facility Pattern
Four position circular 1st mounting facility
Mounting Facility Pattern
Two position in-line 2nd mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Criticality Code Justification
Feat
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section periphery
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Adjustable stop single actuator
Contact Load Current Rating
30.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc 1st mounting facility
NSN
5930-01-316-1752
Part Number
124912LK
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 124912LK NSN 5930-01-316-1752

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.6000lbs
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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