Model: 79-2021

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.410 inches single mounting facility
Hazardous Locations/environmental Protection
Moisture proof
Overall Length
3.613 inches
First Flat Length
0.296 inches 1st actuator
First Flat Length
0.187 inches 2nd actuator
Flat Height
0.093 inches 2nd actuator
Flat Height
0.216 inches 1st actuator
Shaft Diameter
0.125 inches 2nd actuator
Shaft Diameter
0.250 inches 1st actuator
Shaft Length
0.375 inches 1st actuator
Shaft Length
0.703 inches 2nd actuator
Individual Section Quantity
2
Nonturn Device Type
Slotted bushing at 8: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
5 each section rear
Mounting Method
Threaded bushing w/panel seal single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Rotor Through Connection Quantity
1 each section
Switch Actuator Indexing Position Quantity
5 1st actuator
Shaft Type
Round, flatted 2nd actuator
Shaft Type
Round, hollowed, flatted 1st actuator
Terminal Type
Screw
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
45.0 degrees 1st actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
5.0 amperes resistive load ac at sea level
Contact Load Current Rating
5.0 amperes resistive load dc at sea level and 2.5 amperes inductive load dc at sea level
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unf single mounting facility
NSN
5930-01-181-5604
Part Number
79-2021
Description
Switch,rotary
CAGE
91812

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 79-2021 NSN 5930-01-181-5604

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

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