2181743-1

21817431 Rotary Switch
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Datasheet. 2181743-1 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a single mounting facility

Hazardous Locations/environmental Protection
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.

fungus resistant and humidity resistant and shock resistant and vibration resistant

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

4.050in. ⁓4-1/16"

First Flat Length

0.740in. 2nd actuator

Flat Height

0.182in. 2nd actuator and 0.192in. 2nd actuator

Shaft Diameter
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.

0.248in. 2nd actuator and 0.252in. 2nd actuator

Shaft Diameter
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.

0.468in. 1st actuator

Shaft Length
A measurement of the longest dimension of the shaft,in distinction from width.

0.250in. 1st actuator

Shaft Length
A measurement of the longest dimension of the shaft,in distinction from width.

0.800in. 2nd actuator

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

2.370in. ⁓2-3/8"

Individual Section Quantity
The number of individual sections included in the item.

4

Longest Horizontal Distance Between Mounting Centers
The longest distance between mounting centers parallel to the horizontal plane.

1.000in. single mounting facility

Longest Vertical Distance Between Mounting Centers
The longest distance between mounting centers parallel to the vertical plane.

1.000in. single mounting facility

Operating Temp Range
The minimum and maximum limits of temperature at which the item is rated for operation.

-75.0/+122.0 deg celsius

Switch Contact Basic Design
The general configuration of the contacts of a switch that describes its basic switching structure.

NONPILE-Up symmetrical

Pole Quantity
The number of poles included in the item.

1 single section front

Throw Quantity
The number of positions to which the item may be actuated to energize electrical circuits.

4 single section front

Mounting Method
The means of attaching the item.

bracket single mounting facility and threaded hole single mounting facility

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.190in. single mounting facility ⁓13/64"

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

115.0 ac at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

28.0 dc at sea level

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

four position rectangular single mounting facility

Switch Actuator Indexing Position Quantity
The number of positions to which the switch actuator may be indexed.

4 single actuator

Shaft Type
Indicates the type of shaft included on the item.

round, flatted 2nd actuator

Shaft Type
Indicates the type of shaft included on the item.

round, hollowed 1st actuator

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

tab w/screw

Contact Switching Action
An indication of the switching action by the contacts of the item.

breaks before makes 3rd section front

Contact Switching Action
An indication of the switching action by the contacts of the item.

breaks before makes 4th section front

Contact Switching Action
An indication of the switching action by the contacts of the item.

makes before breaks 1st section front

Contact Switching Action
An indication of the switching action by the contacts of the item.

makes before breaks 2nd section front

Switch Actuator Positioning Increment
The increments of angular rotation that the switch actuator moves between adjacent index positions.

36.0 degrees single actuator

Switch Actuator Stop Device Type
Indicates the type of device included in the switch to limit the angular rotation of its actuator.

fixed stop single actuator

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

6.0 amperes resistive load ac at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

6.0 amperes resistive load dc at sea level and 6.0 amperes inductive load dc at sea level

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

circular wafer, panel mount

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf single mounting facility

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf single mounting facility

What is the style?

Circular wafer, panel mount

What is the thread class?

2a single mounting facility

What is the NSN for 2181743-1?

5930-00-955-9847

How is this classified for shipping?

Schedule B number: 8536509025
nmfc 061300
Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts

What's the federal classification of 2181743-1?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-955-9847 SWITCH,ROTARY

unf single mounting facility thread series circular wafer, panel mount 4.050" overall length 2a single mounting facility thread class

NIIN
009559847
NIIN Date
01/01/62
Schedule B
8536509025 
Name Code
02134
FIIG
A052B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
1 
Historical Price
$200.05 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 1441 Cage 91812

Major End Users Countries and entities

  • - Department of The Navy 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Communications/electronics, other than sigint/ew or comsec repair parts and components 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

2181743-1 / Switch,rotaryWhat is the formal definition of this item?

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).