R6557-22

R655722 Pressure Switch

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Datasheet. R6557-22 specification

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

5.250in. ⁓5-1/4"

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

4.094in.

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

5.250in.

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

4.062in.

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.

0.190in.

Pressure Switch Type
The general classification of a pressure switch based on the reference method used to measure the sensed pressure.

differential

Mounting Facility Circle Radius
The radius of the circle in which the mounting facilities of an item are located.

2.312in.

Mounting Method
The means of attaching the item.

bracket and unthreaded hole

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

electrical box connector

Contact Action Stimulus
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.

decrease

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.250in. single pressure connection ⁓1/4"

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

three position circular

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.

2 pole, double throw, one position momentary

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

connector, receptacle

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

10.0 amperes resistive load single voltage

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

250.0 dc at sea level single voltage

Pressure Connector Type
Indicates the type of pressure connector.

plain, threaded internal all connections

Media For Which Designed
The type of media for which the item is designed.

gas or liquid

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

cylindrical w/lugs

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.

npt all pressure connection

Answers.

What class is the thread series?

Npt all pressure connection

What is the style?

Cylindrical w/lugs

What is the overall width?

5.250 inches

What is the NSN for R6557-22?

5930-00-503-4490

How is this classified for shipping?

Schedule B number: 8536509065
nmfc 061300
Switches, for a voltage not exceeding 1000 volts

What's the federal classification of R6557-22?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-503-4490 SWITCH,PRESSURE

npt all pressure connection thread series cylindrical w/lugs 5.250" overall width 5.250" overall length

NIIN
005034490
NIIN Date
01/01/63
Schedule B
8536509065 
Name Code
00206
FIIG
A048B0
Item Weight
0.000lbs
Item Dimensions
--
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

1. 613437 Cage 56232
2. 30030 Cage 98505
3. DS1013-3 Cage 03528

Major End Users Countries and entities

  • - Portugal 

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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

R6557-22 / Switch,pressureWhat is the formal definition of this item?

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.