Shuttle Valve

0521774

0521774
(NSN) National Stock Number
4820-00-390-4235
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
20572
Schedule B Code
8481809050
Summary

Right-hand all ends thread direction, piston flow control device, plain,optional end(pipe) all ends connection style, automatic valve operation method, threaded internal pipe all ends connection type, bracket mounting facility

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

INC FIIG Concept Condition
20572 A046B0 1 1
Specifications
Thread Direction
right-hand all ends
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Flow Control Device
piston
Details The part that controls the flow through the item.
Connection Style
plain,optional end(pipe) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Connection Type
threaded internal pipe all ends
Details Indicates the type of connection/s/.
Mounting Facility
bracket
Details The facility for mounting the item.
Nominal Thread Size
0.250 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Material
rubber synthetic flow control device
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
zinc body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
zinc seat
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
cross
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt all ends
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
3264126 72915 6 - 5 9 - CT
F50439-1PC521774 65035 6 - 5 9 - AX
Z1011-1PC2T06 65035 6 - 5 9 - AX
Z1011-2PC2T06 65035 6 - 5 9 - AX
521774 82722 6 - 5 9 - AX
3264126 55380 6 - 5 9 - AX
3329068 55380 6 - 3 2 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
64490 - P -
RVC WCC TCC SHC
- 594 Z 9
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Manufacturer
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WABTEC CORP
CAGE: 82722
PITTSBURGH , PA , 15212-5862
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-390-4235
What is the NIIN of the NSN 4820-00-390-4235?
The National Item Identification Number (NIIN) of the NSN 4820-00-390-4235 is 00-390-4235
When the NSN 4820-00-390-4235 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-390-4235 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-390-4235 contain any hazardous material?
No data in HMIRS

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