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NSN 4820-00-228-2876, 4820002282876
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 002282876
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4820-00-228-2876

National Stock Number (NSN) 4820-00-228-2876, or NIIN 002282876, (valve,safety relief) was assigned May 20, 1973 in the Federal Logistics Information System (FLIS). NIIN 002282876 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 4820002282876 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

FLOW CONTROL DEVICE
(ADQU) POPPET
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) ALL ENDS
MATERIAL
(MATT) STEEL CORROSION RESISTING SEAT
MATERIAL
(MATT) STEEL CORROSION RESISTING FLOW CONTROL DEVICE
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
MATERIAL
(MATT) ALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNED
(MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.375 INCHES ALL ENDS
ADJUSTABLE PRESSURE RANGE
(CQCY) +300.0/+4000.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
DISK LOADING METHOD
(ADSU) SPRING
ADJUSTABLE PRESSURE RANGE
(CQCY) +300.0 TO 4000.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) ANGLE
STYLE DESIGNATOR
(STYL) ERR-090
FEATURES PROVIDED
(CBBL) PRESSURE TIGHT OUTLET SIDE
MAXIMUM OPERATING PRESSURE
(CQGM) 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.375 INCHES ALL ENDS
OPENING PRESSURE SETTING
(CSDC) 4000.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(MATT) STEEL CORROS
RENEWABLE SEAT RING TYPE
(ADZH) THREADED
SPECIAL FEATURES
(FEAT) CAN BE RESET TO ANY DESIRED CRACKING PRESSURE AFTER INSTALLATION
SURFACE TREATMENT
(MATT) STEEL CORROSION RESISTING FLOW CONTROL DEVICE
SURFACE TREATMENT
(SFTT) ANODIZE

Manufacturer Part Numbers


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