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NSN 4820-01-307-2889, 4820013072889
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013072889
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 4820-01-307-2889

National Stock Number (NSN) 4820-01-307-2889, or NIIN 013072889, (valve,safety relief) was assigned September 8, 1989 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

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 4820013072889 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

STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL
(MATT) STEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE
(CQGM) 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 FAHRENHEIT SINGLE 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 THREAD SIZE
(CQJX) 0.375 INCHES ALL ENDS
OPENING PRESSURE SETTING
(CSDC) 825.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT SINGLE RESPONSE

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