M3543-103

M3543103 Liquid Level Switch

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. M3543-103 specification

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

3.250in. ⁓3-1/4"

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

3.680in.

Dc Voltage Rating
The value,or range of values,of direct current potential for which the item is rated.

18.0 volts and 30.0 volts

Connector Manufacturer Code
The identifying numeric code of the originator that controls or manufactures the electrical connector receptacle.

81349

Specific Equipment Accommodated
The name of the equipment the item is specifically designed to accommodate.

CH53E helicopter

Actuation Method
The means by which the item is actuated.

buoyancy

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

helicopter, CH-53A/d/e; helicopter, MH-53E; helicopter, CH-53A/d/e

Electrical Connection Type
Indicates the type of electrical connection included on the item.

connector receptacle

Connector Identification
The specification,standard,or manufacturer's number or symbol used to identify the connector.

MIL-C-5015

Internal Battery Accommodation
An indication of whether or not a facility/ies/ to accommodate a battery/ies/ is included.

not included

Current Rating At Maximum Rated Voltage
The amount of current at maximum rated voltage for which the item is designed.

0.5 amperes resistive load

Voltage Rating At Maximum Rated Current
The amount of voltage for which the item is designed to withstand at the maximum rated current.

28.0 volts

Float Quantity
The number of floats provided.

1

Operating Temp Rating
The temperature at which the item operates.

-65.0 deg fahrenheit and 250.0 deg fahrenheit

Mounting Method
The means of attaching the item.

flange

Mounting Position
The installed position for which the item is designed.

horizontal

Maximum Current Rating
The maximum continuous current which must not be exceeded in order to avoid damage to the item.

0.5 amperes resistive load

Contact Arrangement
The designation that identifies the schematic diagram of the contact arrangement.

single throw, normally open, normally closed

Relay
An indication of whether or not a relay is included.

not included

Liquid Type For Which Designed
Indicates the type of liquid(s) for which the item is designed.

lubricating oil

Float Effective Travel
The distance of the effective travel of the float.

any acceptable

Mounting Dimensions
The mounting dimensions of the item.

mtd by four no. 10-32 NF-2B SELF-Locking inserts, three of which are equally spaced 1.312 in. c to c and one 1.187 in. c to c with first insert

Tank Insertion Length
A measurement of the longest dimension from the mounting surface to the end of the item,which is designed to be inserted into the tank.

2.500in.

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

feat

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

weapon system essential

Answers.

What quantity is this sold in?

1EA

What is the overall width?

3.680 inches

What is the NSN for M3543-103?

5930-01-121-7066

How is this classified for shipping?

Schedule B number: 8413919520
nmfc 061300
Parts, of pumps for liquids

What's the federal classification of M3543-103?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-01-121-7066 SWITCH,LIQUID LEVEL

Used on helicopter, ch-53a/d/e; helicopter, mh-53e; helicopter, ch-53a/d/e. weapon system essential 3.680" overall width 3.250" overall length

NIIN
011217066
NIIN Date
11/07/81
Schedule B
8413919520 
Name Code
37187
FIIG
T109-D
Item Weight
0.500lbs
Item Dimensions
--
QUP
Historical Price
$2,356.23 EA
DEMIL / ITAR
USML/ITAR controlled item (Code: B)
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. 61200-1 Cage 04192
2. 65308-12047-103 Cage 78286
3. F-75865 Cage 97424

Major End Users Countries and entities

  • - Department of The Navy 

Major End Items End use applications

  • - Helicopter, ch-53a/d/e; helicopter, mh-53e; helicopter, ch-53a/d/e
  • - Helicopter, ch-53a/d/e
  • - Helicopter, mh-53e

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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 switchs with similar characteristics

Nothing similar to this part number was found in our inventory

M3543-103 / Switch,liquid levelWhat is the formal definition of this item?

A switch which is actuated by a float or sensing device(s) to control liquid level and/or actuate visual or audible warning systems. used in conjunction with pumps or valves to transfer liquid from one source to another. it may include a relay controlled by the switch element. excludes transmitter, liquid quantity.