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NSN 4820-01-225-5798, 4820012255798
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012255798
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 4820-01-225-5798

National Stock Number (NSN) 4820-01-225-5798, or NIIN 012255798, (valve,safety relief) was assigned February 4, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 Aug 02, 2004, this NSN's acquisition method was noted as: Not established. Not established.

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 4820012255798 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

ADJUSTABLE PRESSURE RANGE
(CQCY) +115.0 TO 250.0 POUNDS PER SQUARE INCH
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) ALL ENDS
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL
(MATT) ALUMINUM ALLOY BODY
MAXIMUM OPERATING TEMP
(AEHZ) -67.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 200.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OIL 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) WATER, FRESH 2ND RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES ALL ENDS
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) ALL ENDS
MAXIMUM OPERATING TEMP
(AEHZ) -67.0 DEG FAHRENHEIT 1ST RESPONSE
STYLE DESIGNATOR
(STYL) C1 ANGLE
MAXIMUM OPERATING TEMP
(AEHZ) 200.0 DEG FAHRENHEIT 2ND RESPONSE

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