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NSN 4820-00-479-3891, 4820004793891
VALVE,SHUTTLE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 004793891
Codification Country
United States
Item Name Code
INC 20572
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 4820-00-479-3891

National Stock Number (NSN) 4820-00-479-3891, or NIIN 004793891, (valve,shuttle) was assigned February 11, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 29, 2013. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M213M4122. The total value of the awarded contracts has been US$ 2,396.00.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 20572. [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.]. 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 4820004793891 does not contain precious metals.

This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
FLOW CONTROL DEVICE
(ADQU) PISTON
MATERIAL
(MATT) COPPER ALLOY 464 FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL COMP 4130 BODY
MOUNTING FACILITY
(AZGM) THREADED FASTENER
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.500 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES 1ST END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) CROSS
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD QUANTITY PER INCH
(CMLP) 14 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPSM 1ST END
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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