Model: 21910LK

Rotary Switch

Properties:

Thread Class
2b single mounting facility
Hazardous Locations/environmental Protection
Shock resistant
Overall Length
6.470 inches
Overall Height
2.810 inches
Overall Width
2.810 inches
Individual Section Quantity
10
Longest Horizontal Distance Between Mounting Centers
2.290 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
2.290 inches single mounting facility
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Method
Bracket single mounting facility and threaded hole single mounting facility
Features Provided
Actuator knob
Thread Size
0.190 inches single mounting facility
Contact Voltage Rating In Volts
600.0 highest ac voltage rating at sea level120.0 lowest ac voltage rating at sea level125.0 highest dc voltage rating at sea level24.0 lowest dc voltage rating at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
8 single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes 1st section peripherybreaks before makes 2nd section peripherybreaks before makes 3rd section peripherybreaks before makes 4th section peripherybreaks before makes 5th section peripherybreaks before makes 6th section peripherybreaks before makes 7th section peripherybreaks before makes 8th section peripherymakes before breaks 9th section peripherymakes before breaks 10th section periphery
Switch Actuator Positioning Increment
45.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed-adjustable stops single actuator
Contact Load Current Rating
4.0 amperes resistive load highest ac voltage rating at sea level15.0 amperes resistive load lowest ac voltage rating at sea level2.0 amperes resistive load highest dc voltage rating at sea level10.0 amperes resistive load lowest dc voltage rating at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unf single mounting facility
NSN
5930-01-347-9218
Part Number
21910LK
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 21910LK NSN 5930-01-347-9218

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.1000lbs
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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