Model: 21479AK

Rotary Switch

Properties:

Thread Length
0.469 inches single mounting facility
First Flat Length
0.375 inches single actuator
Flat Height
0.188 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.875 inches single actuator
Individual Section Quantity
3
Knob Manufacturer Code
49956
Knob Manufacturer Part Number
S28-5248p1
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Pole Quantity
1 each section rear
Throw Quantity
2 each section front
Throw Quantity
2 each section rear
Mounting Method
Threaded bushing single mounting facility
Features Provided
Actuator knob
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
125.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
250.0 highest ac voltage rating at sea level
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Contact Switching Action
Breaks before makes each section front
Switch Actuator Positioning Increment
45.0 degrees single actuator
Contact Load Current Rating
3.0 amperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating
6.0 amperes resistive load lowest ac voltage rating at sea level
Thread Series Designator
Unef single mounting facility
NSN
5930-00-201-3393
Part Number
21479AK
Description
Switch,rotary
CAGE
04009

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 21479AK NSN 5930-00-201-3393

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:
0.3000lbs
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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