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NSN 4820-01-463-0272, 4820014630272
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 014630272
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 4820-01-463-0272

National Stock Number (NSN) 4820-01-463-0272, or NIIN 014630272, (valve,safety relief) was assigned March 2, 1999 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 4820014630272 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

CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
DISK LOADING METHOD
(ADSU) SPRING
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
FLOW CONTROL DEVICE
(ADQU) POPPET
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES 2ND END
OPENING PRESSURE SETTING
(CSDC) 478.0 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) 5100 SERIES RELIEF VALVE
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIAL
(MATT) STEEL COMP 303 BODY
MAXIMUM OPERATING TEMP
(AEHZ) -40.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) HYDROGEN 5TH RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) REFRIGERANT 12 4TH RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) ACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AMMONIA, GASEOUS 3RD RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.250 INCHES 2ND END
SPECIAL FEATURES
(FEAT) LOCKWIRE SPECIAL CHARACTERISTIC (L)
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

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