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NSN 4820-01-522-7274, 4820015227274
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 015227274
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 4820-01-522-7274

National Stock Number (NSN) 4820-01-522-7274, or NIIN 015227274, (valve,safety relief) was assigned August 10, 2004 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 13, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 4820015227274 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 TYPE
(AWLS) THREADED EXTERNAL BOSS 1ST END
OPENING PRESSURE SETTING
(CSDC) 3600.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING PRESSURE
(CQGM) 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) PILOT OPERATED, BALANCED PISTON, RELIEF VALVE
SPECIAL FEATURES
(FEAT) MAKE FROM CAGE 54035, PART NUMBER RPEC-LCN, BY METAL SPRAYED COATING I.A.W. WITH MIL-STD-2138 USING TYPE 1, 2, OR 3 ABRASIVE BLASTING SYSTEM WITH ALUMINUM GRIT BLASTING PARTICALS. SPRAY TYPE SHALL BE CONSUMABLE ELECTRODE, ELECTRIC ARC, SEAL COAT THAT CONFORMS TO TT-P-28. DO NOT TOP COAT.
VALVE DISCHARGE FLOW RATE
(ADSY) 4.0 GALLONS PER MINUTE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) SCREW-IN CARTRIDGE
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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