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NSN 4820-01-034-6468, 4820010346468
VALVE,RESTRICTOR CHECK

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 010346468
Codification Country
United States
Item Name Code
INC 20520
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4820-01-034-6468

National Stock Number (NSN) 4820-01-034-6468, or NIIN 010346468, (valve,restrictor check) was assigned January 27, 1977 in the Federal Logistics Information System (FLIS). NIIN 010346468 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 20520. [A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820010346468 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

DISK LOADING METHOD
(ADSU) SPRING
MOUNTING POSITION
(BBJX) HORIZONTAL
MAXIMUM OPERATING PRESSURE
(CQGM) 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.375 INCHES 1ST END
UNABLE TO DECODE
(CQJX) UNABLE TO DECODE
VALVE DISCHARGE FLOW RATE
(ADSY) 2.0 GALLONS PER MINUTE
APERTURE DIAMETER
(ABVL) 0.375 INCHES NOMINAL
UNABLE TO DECODE
(ADSU) UNABLE TO DECODE
UNABLE TO DECODE
(CQGM) UNABLE TO DECODE
THREAD SERIES DESIGNATOR
(THSD) NPTF 1ST END
UNABLE TO DECODE
(ABVL) UNABLE TO DECODE
UNABLE TO DECODE
(AWLS) UNABLE TO DECODE
UNABLE TO DECODE
(BBJX) UNABLE TO DECODE
UNABLE TO DECODE
(THSD) UNABLE TO DECODE
MATERIAL
(MATT) STEEL OVERALL
UNABLE TO DECODE
(AAJF) UNABLE TO DECODE
UNABLE TO DECODE
(ADQU) UNABLE TO DECODE
UNABLE TO DECODE
(ADSY) UNABLE TO DECODE
CONNECTION STYLE
(AHNC) PLAIN, OPTIONAL END (PIPE) 1ST END
UNABLE TO DECODE
(AQLR) UNABLE TO DECODE
UNABLE TO DECODE
(STYL) UNABLE TO DECODE
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
FLOW CONTROL DEVICE
(ADQU) PISTON
UNABLE TO DECODE
(AHNC) UNABLE TO DECODE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
UNABLE TO DECODE
(MATT) UNABLE TO DECODE
STYLE DESIGNATOR
(STYL) STRAIGHT THRU

Manufacturer Part Numbers


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