81AA3

81AA3 Electromagnetic Relay
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Datasheet. 81AA3 specification

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

2a single mounting facility

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

1.650in. ⁓1-21/32"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

2.470in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

1.440in.

Environmental Protection
The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.

hermetic

Frequency In Hertz
The cycles per second /hertz/ of the alternating current.

60.0

Winding Quantity
The number of individual /not electrically connected/ windings.

1

Coil Quantity
The number of coils included on the item.

1

Winding Dc Resistance Rating
The measured opposition to the flow of direct current offered by the item winding.

8.5 ohms single winding

Duty Type
Indicates the type of duty provided.

continuous

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

3 threaded stud 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.

32 single mounting facility

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

0.138in. single mounting facility ⁓9/64"

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

ciruclar single mounting facility

Nonpile-up Main Contact Arrangement
The designation that identifies the schematic diagram of the electrical configuration of the main nonpile-up contacts including the number of poles or forms.

2 pole, single throw, normally open, momentary action

Operating Voltage Rating And Type At Specified Temp
The amount and type of voltage required at designated temperature to be applied to the input or energizing element of the item to ensure normal operation of the switching elements.

10.0 volts ac 25 deg celsius single winding

Main Contact Load Current Rating At Maximum Rated Voltage
The amount of current the main contacts are rated to make or break at maximum rated voltage,with a specified load.

10.0 amperes ac resistive load and 10.0 amperes dc resistive load

Angle Between Adjacent Mounting Facilities
A measurement of the angle between adjacent mounting facilities.

120.0 degrees single mounting facility

Main Contact Maximum Voltage Rating In Volts
The highest voltage at which the main contacts are rated for normal operation,expressed in volts.

115.0 ac and 29.0 dc

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.

unc single mounting facility

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

6 pin all functions

Answers.

What class is the thread series?

Unc single mounting facility

What is the thread quantity per inch?

32 single mounting facility

What is the overall width?

1.440 inches maximum

What is the thread class?

2a single mounting facility

What is the NSN for 81AA3?

5945-00-553-9583

How is this classified for shipping?

Schedule B number: 8536490075
Relays, electromechanical, for a voltage exceeding 60 v but not exceeding 1,000 v

What's the federal classification of 81AA3?

FSC 5945 ⁓ Relays and solenoids

Excluding contractors.

NSN 5945-00-553-9583 RELAY,ELECTROMAGNETIC

unc single mounting facility thread series 32 single mounting facility thread quantity per inch 1.440" overall width 1.650" overall length 2a single mounting facility thread class

NIIN
005539583
NIIN Date
01/01/63
Schedule B
8536490075 
Name Code
32512
FIIG
A03300
Item Weight
0.000lbs
Item Dimensions
--
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

Major End Users Countries and entities

  • - Greece 

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Similar by Design Other relays with similar characteristics

Nothing similar to this part number was found in our inventory

81AA3 / Relay,electromagneticWhat is the formal definition of this item?

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). includes solenoid and armature types. excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.