Model: 31205A

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.469 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
3.750 inches
First Flat Length
0.438 inches single actuator
Flat Height
0.219 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.625 inches single actuator
Overall Diameter
2.000 inches
Individual Section Quantity
5
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
A
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 each section periphery
Throw Quantity
2 each section periphery
Mounting Method
Threaded bushing single mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
32 single mounting facility
Thread Size
0.469 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
Contact Voltage Rating In Volts
30.0 dc at sea level
Shaft Flat/slot Angular Location
0.0 degrees from contact position 1 single actuator
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Screw
Contact Switching Action
Makes before breaks, breaks before makes each section periphery
Switch Actuator Positioning Increment
45.0 degrees single actuator
Switch Actuator Stop Device Type
Adjustable stop single actuator
Contact Load Current Rating
10.0 amperes resistive load lowest ac voltage rating at sea level
Contact Load Current Rating
5.0 amperes resistive load dc at sea level
Contact Load Current Rating
5.0 amperes resistive load highest ac voltage rating at sea level
Precious Material And Location
Contacts and rotor contact surfaces silver
Precious Material
Silver
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Uns single mounting facility
NSN
5930-01-035-5180
Part Number
31205A
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 31205A NSN 5930-01-035-5180

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:
S
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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