7MP21-1

7MP211 Mercury Switch

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Datasheet. 7MP21-1 specification

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

cased

Body Diameter
The length of a straight line which passes through the center of the body,and terminates at the circumference.

0.531in.

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

1.875in.

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.

230.0 ac and 30.0 dc

Mounting Method
The means of attaching the item.

terminal

Switch Actuation Differential Angle
The amount of switch movement required to effect the switching action.

3.0 degrees

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, single throw, both positions maintained single switch unit

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.

8.000 amperes resistive dc and 1.500 amperes resistive ac

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

2 wire lead

Answers.

What quantity is this sold in?

1EA

What is the NSN for 7MP21-1?

5930-00-092-0653

How is this classified for shipping?

Schedule B number: 8536509035
nmfc 061300
Switches, push-button, rated at over 5 a, for a voltage not exceeding 1,000 v

What's the federal classification of 7MP21-1?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-092-0653 SWITCH,MERCURY

NIIN
000920653
NIIN Date
11/22/72
Schedule B
8536509035 
Name Code
00159
FIIG
A053A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$42.80 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 
  • - Department of The Navy 

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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)
Electrical appliances, small 
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

7MP21-1 / Switch,mercuryWhat is the formal definition of this item?

A switch in which a mercury pool is used to bridge fixed contacts when their inclosing sealed capsule is tilted. do not use if switch has an actuator, such as lever, push button, toggle, and the like. see switch (as modified). for items in which a contact may be moved into a mercury pool by a magnetic field, see switch, reed.