CMR738-4

CMR7384 Electromagnetic Relay

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Datasheet. CMR738-4 specification

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

2b single mounting facility

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

2.500in. ⁓2-1/2"

Center To Center Distance Between Mounting Facilities Parallel To Length
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the length.

1.438in. single mounting facility

Center To Center Distance Between Mounting Facilities Parallel To Width
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the width.

1.000in. single mounting facility

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

2.930in.

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

1.250in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

part no. 40E56-1-A

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

2

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.

95.0 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.

4 threaded hole single mounting facility

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

polarized

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.

rectangular 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.

1 pole, single throw, normally open, momentary action

Minimum Differential Electrical Operating Rating
The lowest net amount of the specified energizing electrical characteristic necessary for the normal functioning of the relay. the net value being the difference between multiple or opposed input elements during normal operation.

7.5 milliamperes

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.

3.0 amperes dc resistive load

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

28.0 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.

4 pin all functions

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unc single mounting facility

What is the overall width?

1.250 inches

What is the thread class?

2b single mounting facility

What is the NSN for CMR738-4?

5945-00-502-0035

How is this classified for shipping?

Schedule B number: 8536410020
nmfc 061300
Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v

What's the federal classification of CMR738-4?

FSC 5945 ⁓ Relays and solenoids

Excluding contractors.

NSN 5945-00-502-0035 RELAY,ELECTROMAGNETIC

Used on part no. 40e56-1-a. unc single mounting facility thread series 1.250" overall width 2.500" overall length 2b single mounting facility thread class

NIIN
005020035
NIIN Date
01/01/63
Schedule B
8536410020 
Name Code
32512
FIIG
A03300
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$589.83 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

Major End Users Countries and entities

  • - Department of The Air Force 

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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)
77.5
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 relays with similar characteristics

Nothing similar to this part number was found in our inventory

CMR738-4 / 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.