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NSN 4820-00-226-3168, 4820002263168
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002263168
Codification Country
United States
Item Name Code
INC 05488
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 4820-00-226-3168

National Stock Number (NSN) 4820-00-226-3168, or NIIN 002263168, (valve,safety relief) was assigned January 11, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 somewhat common among different platforms, belonging to 3 different weapons systems.

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) 05488. [A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.]. 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 4820002263168 does not contain precious metals.

This NSN is associated to Schedule B 8481400000: safety or relief valves. 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

MATERIAL
(MATT) COPPER ALLOY FLOW CONTROL DEVICE OR STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ADJUSTABLE PRESSURE RANGE
(CQCY) +40.0 TO 125.0 POUNDS PER SQUARE INCH
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 2ND END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
DISK LOADING METHOD
(ADSU) SPRING
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL
(MATT) COPPER ALLOY OR STEEL CORROSION RESISTING BODY
MATERIAL
(MATT) COPPER ALLOY OR STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL
(MATT) RUBBER SYNTHETIC SEAT
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 2ND END
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 2ND END
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 1ST END
OPENING PRESSURE SETTING
(CSDC) 90.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END
THREAD QUANTITY PER INCH
(CMLP) 18 1ST END
THREAD QUANTITY PER INCH
(CMLP) 18 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 2ND END
STYLE DESIGNATOR
(STYL) ERR-090
MATERIAL
(MATT) COPPER ALLOY BODY OR STEEL CORROSION RESISTING BODY
ADJUSTABLE PRESSURE RANGE
(CQCY) +40.0/+125.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END

Manufacturer Part Numbers


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