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NSN 4820-00-920-3623, 4820009203623
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 009203623
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 4820-00-920-3623

National Stock Number (NSN) 4820-00-920-3623, or NIIN 009203623, (valve,safety relief) was assigned August 10, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 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, with the most recent procurement date of May 22, 2014. There have been 3 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M914M2905, SPE7M914M2905, SPE7M914M2364, SPE7M914M2364, SPM76006D9712. The total value of the awarded contracts has been US$ 6,238.70.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, 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 4820009203623 contains an unknown precious metal.

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) +5.0/+10.0 POUNDS PER SQUARE INCH
CONNECTION STYLE
(AHNC) G50 EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
STYLE DESIGNATOR
(STYL) ERR-090
DISK LOADING METHOD
(ADSU) SPRING
ADJUSTABLE PRESSURE RANGE
(CQCY) +5.0 TO 10.0 POUNDS PER SQUARE INCH
BONNET TYPE
(ADSR) INSIDE SPRING
BONNET ATTACHMENT METHOD
(ADST) INTEGRAL
CONNECTION STYLE
(AHNC) EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS 1ST END
FEATURES PROVIDED
(CBBL) BONNET PACKING
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-R-25897,TYPE2,CLASS 1 MIL SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL CORROSION RESISTING BODY
MATERIAL
(MATT) STEEL CORROSION RESISTING FLOW CONTROL DEVICE AND RUBBER FLUOROCARBON CLASS FPM FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING PRESSURE
(CQGM) 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 450.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) FUEL/OIL, HYDROCARBON 2ND RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) HYDRAULIC FLUID, PHOSPHATE-ESTER BASE 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OIL, LUBRICATING, DIESTER BASE 3RD RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.375 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES 1ST END
THREAD CLASS
(AAJD) 3A 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNF 1ST END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU

Manufacturer Part Numbers


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