Shuttle Valve

319277-1

319277-1
(NSN) National Stock Number
4820-00-053-0246
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
20572
Schedule B Code
8481809050
Summary

0.125 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction, piston flow control device, automatic valve operation method, threaded external pipe 1st end connection type, 18 1st end thread quantity per inch

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
2 - - XX
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
Nominal Pipe Size Accommodated
0.125 inches 1st end
Details A measurement of the pipe size the item will accommodate.
Thread Direction
right-hand 1st end
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.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Connection Type
threaded external pipe 1st end
Details Indicates the type of connection/s/.
Thread Quantity Per Inch
18 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.250 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Style Designator
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt 1st end
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.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
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
NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL
CAGE: 80020
LAKEHURST , NJ , 08733-5035
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-053-0246
What is the NIIN of the NSN 4820-00-053-0246?
The National Item Identification Number (NIIN) of the NSN 4820-00-053-0246 is 00-053-0246
When the NSN 4820-00-053-0246 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-053-0246 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-053-0246 contain any hazardous material?
No data in HMIRS

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