1800-3978-1

180039781 Rotary Switch

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Datasheet. 1800-3978-1 specification

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

2a single mounting facility

Thread Pitch Diameters
The minimum and maximum pitch diameter limits of a straight screw thread.

+0.2447/+0.2491in. single mounting facility

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.160in. single mounting facility and 0.175in. single mounting facility ⁓3/16"

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

1.482in. and 1.567in. ⁓1-37/64"

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

0.485in. and 0.515in. ⁓33/64"

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

1

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

NONPILE-Up symmetrical

Mounting Method
The means of attaching the item.

threaded bushing single mounting facility

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

40 single mounting facility

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

0.250in. single mounting facility ⁓1/4"

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

115.0 dc at sea level

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

28.0 ac at sea level

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

4 single actuator

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

pin

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

150.0 milliamperes resistive load dc at sea level

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

30.0 milliamperes inductive load ac at sea level

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

snap or line

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.

uns single mounting facility

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Uns single mounting facility

What is the style?

Snap or line

What is the thread quantity per inch?

40 single mounting facility

What is the thread length?

0.160 inches minimum single mounting facility and 0.175 inches maximum single mounting facility

What is the thread class?

2a single mounting facility

What is the NSN for 1800-3978-1?

5930-01-497-7293

How is this classified for shipping?

Schedule B number: 8536509020
nmfc 061300
Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

What's the federal classification of 1800-3978-1?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-01-497-7293 SWITCH,ROTARY

uns single mounting facility thread series snap or line 40 single mounting facility thread quantity per inch 1.482" overall length 0.160" single mounting facility thread length 2a single mounting facility thread class

NIIN
014977293
NIIN Date
06/03/02
Schedule B
8536509020 
Name Code
02134
FIIG
A052B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$221.40 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
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. S235A309-2 Cage 78711

Major End Users Countries and entities

  • - Department of The Army 
  • - 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

1800-3978-1 / 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).