Model: C31055

Rotary Switch

Special Features:

First section is blank

Properties:

Thread Class
2a 1st mounting facility
Thread Class
2b 2nd mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
4.000 inches
Overall Height
4.125 inches
First Flat Length
0.875 inches single actuator
Shaft Diameter
0.375 inches single actuator
Individual Section Quantity
4
Knob Manufacturer Code
82121
Nonturn Device Type
Slotted bushing at 3: 00 o'clock
Longest Horizontal Distance Between Mounting Centers
2.281 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
2.281 inches 2nd mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 2nd section front
Pole Quantity
1 3rd section front
Pole Quantity
1 4th section front
Throw Quantity
2 2nd section rear
Throw Quantity
2 3rd section rear
Throw Quantity
2 4th section rear
Mounting Method
Bracket 2nd mounting facility and threaded hole 2nd mounting facility
Mounting Method
Threaded bushing w/panel seal 1st mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
20 2nd mounting facility
Thread Size
0.250 inches 2nd mounting facility
Thread Size
0.375 inches 1st mounting facility
Contact Voltage Rating In Volts
250.0 dc at sea level
Contact Voltage Rating In Volts
500.0 ac at sea level
Switch Actuator Momentary Position
Clockwise single actuator
Mounting Facility Pattern
Four position rectangular 2nd mounting facility
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round, flatted, threaded hole single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes 3rd section rear
Contact Switching Action
Breaks before makes 4th section rear
Contact Switching Action
Breaks before makes 2nd section rear
Switch Actuator Positioning Increment
90.0 degrees single actuator
Detent Rotational Torque Range
+0.500/+9.000 inch-pounds single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
30.0 amperes resistive load ac at sea level
Contact Load Current Rating
30.0 amperes resistive load dc at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc 2nd mounting facility
Thread Series Designator
Unef 1st mounting facility
NSN
5930-00-899-9023
Part Number
C31055
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 C31055 NSN 5930-00-899-9023

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:
6.0 X 5.0 X 0.0
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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