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NSN 4820-01-523-3726, 4820015233726
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 015233726
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 4820-01-523-3726

National Stock Number (NSN) 4820-01-523-3726, or NIIN 015233726, (valve,safety relief) was assigned August 31, 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 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC24V2428, SPE7MC22V0771, SPE7M121V8344, SPE7M121V4054, SPE7MC21V0307. The total value of the awarded contracts has been US$ 2,827.31.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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 Feb 09, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 4820015233726 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

DISK LOADING METHOD
(ADSU) SPRING
CONNECTION STYLE
(AHNC) PLAIN (SCREW-IN CARTRIDGE) 1ST END
CONNECTION TYPE
(AWLS) THREADED CARTRIDGE 1ST END
FLOW CONTROL DEVICE
(ADQU) POPPET
MAXIMUM OPERATING PRESSURE
(CQGM) 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 210.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OIL SINGLE RESPONSE
MINIMUM OPERATING TEMP
(AEQJ) -20.0 DEG FAHRENHEIT
NOMINAL THREAD SIZE
(CQJX) 0.875 INCHES 1ST END
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) RELIEF VALVE, DIRECT ACTING, POPPET TYPE
RENEWABLE SEAT RING TYPE
(ADZH) PRESSED-IN
SPECIAL FEATURES
(FEAT) CARTRIDGE STYLE SAFETY RELIEF VALVE, ADJUSTABLE RANGE 72 TO 6000 PSI, STANDARD SCREW ADJUSTER; MEDIA IS MINERAL OIL OR SYNTHETIC FLUID WITH LUBRICANT PROPERTIES
THREAD CLASS
(AAJD) 2A 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNF 1ST END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) SCREW-IN CARTRIDGE
CONNECTION STYLE
(AHNC) G46D PLAIN (SCREW-IN CARTRIDGE) 1ST END
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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