3HM1

3HM1 Sensitive Switch

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Datasheet. 3HM1 specification

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

hole mounted

Hazardous Locations/environmental Protection
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.

weatherproof

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.

0.375in.

Body Length
A measurement of the longest dimension of the body,in distinction from width.

0.789in.

Body Width
A measurement taken at right angles to the length of the body,in distinction from thickness.

0.250in.

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.

0.091in.

Actuator Length
The measurement of the distance that the actuator protrudes from the body.

0.296in.

Actuator Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the actuator.

leaf

Actuator Free Position Height

0.360in.

Maximum Voltage Rating In Volts
The maximum voltage rating at which the item is designed to operate in an alternating current and/or direct current circuit,expressed in volts.

115.0 ac and 28.0 dc

Inclosure Type
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.

hermetically sealed

Mounting Method
The means of attaching the item.

unthreaded hole

Nonpile-up Contact Arrangement
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.

1 pole, double throw, one position momentary single switch unit

Switch Release Force
The amount to which the actuating force must be reduced to permit the switch to become unactuated.

1.0 ounces

Switch Actuating Force
The amount of force required to actuate the switch.

7.0 ounces

Actuator Movement
The movement of the switch actuator.

0.030 pretravelin. and 0.003 overtravelin. and 0.006 differentialin.

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

4.000 amperes resistive dc and 2.000 amperes inductive dc and 4.000 amperes resistive ac and 2.000 amperes inductive ac

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

3 tab, solder lug

Answers.

What quantity is this sold in?

1EA

What is the NSN for 3HM1?

5930-00-177-2303

How is this classified for shipping?

Schedule B number: 8536509050
nmfc 061300
Switches, slide, for a voltage not exceeding 1,000 v

What's the federal classification of 3HM1?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-177-2303 SWITCH,SENSITIVE

NIIN
001772303
NIIN Date
05/12/71
Schedule B
8536509050 
Name Code
00399
FIIG
A053A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$437.00 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Navy 
  • - Poland 
  • - Brazil 

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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

3HM1 / Switch,sensitiveWhat is the formal definition of this item?

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.