4CR-6-638

4CR6638 Electromagnetic Relay

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Datasheet. 4CR-6-638 specification

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

2.484in. and 2.516in. ⁓2-33/64"

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

1.150in. and 1.208in.

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

1.250in. and 1.290in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.155in. single mounting facility and 0.160in. single mounting facility

Contact Material
The element,compound,or mixture of which the contact/s/ is fabricated,excluding any surface treatment.

silver

Contact Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off. plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects the contact surface.

cadmium plated

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

2 unthreaded hole single mounting facility

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

3 quick disconnect, male all functions

Answers.

What is the overall width?

1.250 inches minimum and 1.290 inches maximum

What is the NSN for 4CR-6-638?

5945-01-110-2414

What's the federal classification of 4CR-6-638?

FSC 5945 ⁓ Relays and solenoids

Excluding contractors.

NSN 5945-01-110-2414 RELAY,ELECTROMAGNETIC

1.250" overall width 2.484" overall length

NIIN
011102414
NIIN Date
03/28/81
Schedule B
 
Name Code
32512
FIIG
A03300
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Bureau of The Mint 

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Similar by Design Other relays with similar characteristics

Nothing similar to this part number was found in our inventory

4CR-6-638 / 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.