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NSN 4820-00-131-5072, 4820001315072
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 001315072
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 4820-00-131-5072

National Stock Number (NSN) 4820-00-131-5072, or NIIN 001315072, (valve,safety relief) was assigned December 30, 1968 in the Federal Logistics Information System (FLIS). NIIN 001315072 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 is only one manufacturer part number associated with this NSN. None of the associated 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) 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 4820001315072 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
UNABLE TO DECODE
(AQLR) UNABLE TO DECODE
FEATURES PROVIDED
(CBBL) VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
MAXIMUM OPERATING PRESSURE
(CQGM) 450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
UNABLE TO DECODE
(CSDC) UNABLE TO DECODE
SPECIAL FEATURES
(FEAT) DESIGNED FOR ACETYLENE,GASEOUS AMMONIA,AIR,HYDROGEN,REFRIGERANT 12,AND INERT GAS
MATERIAL
(MATT) ALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) ALUMINUM ALLOY 2024 SEAT
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 2ND END
UNABLE TO DECODE
(CBBL) UNABLE TO DECODE AND UNABLE TO DECODE
UNABLE TO DECODE
(AHNC) UNABLE TO DECODE
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 2ND END
UNABLE TO DECODE
(AAJF) UNABLE TO DECODE
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 2ND END
THREAD QUANTITY PER INCH
(CMLP) 18 1ST END
UNABLE TO DECODE
(CQJX) UNABLE TO DECODE
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
UNABLE TO DECODE
(CQGM) UNABLE TO DECODE
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 2ND END
OPENING PRESSURE SETTING
(CSDC) 150.0 POUNDS PER SQUARE INCH
SURFACE TREATMENT
(SFTT) ANODIZE
UNABLE TO DECODE
(SFTT) UNABLE TO DECODE
UNABLE TO DECODE
(AAAR) UNABLE TO DECODE
MAXIMUM OPERATING TEMP
(AEHZ) 275.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
UNABLE TO DECODE
(MATT) UNABLE TO DECODE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
UNABLE TO DECODE
(AEHZ) UNABLE TO DECODE
THREAD QUANTITY PER INCH
(CMLP) 18 2ND END
UNABLE TO DECODE
(CMLP) UNABLE TO DECODE
UNABLE TO DECODE
(FEAT) UNABLE TO DECODE
STYLE DESIGNATOR
(STYL) ERR-090
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
UNABLE TO DECODE
(THSD) UNABLE TO DECODE
FLOW CONTROL DEVICE
(ADQU) POPPET
UNABLE TO DECODE
(ADQU) UNABLE TO DECODE
DISK LOADING METHOD
(ADSU) SPRING
UNABLE TO DECODE
(ADSU) UNABLE TO DECODE
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END
UNABLE TO DECODE
(AWLS) UNABLE TO DECODE
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END

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