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NSN 4820-01-353-8460, 4820013538460
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013538460
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.
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DLMS® Summary

National Stock Number 4820-01-353-8460

National Stock Number (NSN) 4820-01-353-8460, or NIIN 013538460, (valve,safety relief) was assigned February 19, 1992 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 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 2 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC23V8906, SPE7MC23V7869, SPE7MC23V2212, SPE7MC23V2212, SPE7MC23V2212. The total value of the awarded contracts has been US$ 325,701.61.

This NSN is fairly common among different weapons systems, belonging to 24 different platforms.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 64,659. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 20, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 4820013538460 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) EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST ENDFLARELESS (TUBE) 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS 1ST ENDTHREADED EXTERNAL TUBE 2ND END
FLOW CONTROL DEVICE
(ADQU) DISK
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES 1ST END1.312 INCHES 2ND END
OPENING PRESSURE SETTING
(CSDC) 115.0 POUNDS PER SQUARE INCH
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP
(AEHZ) 125.0 DEG FAHRENHEIT SINGLE RESPONSE
SEAT ANGLE
(CQRB) 37.0 DEGREES 1ST END24.0 DEGREES 2ND END
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UNJ ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 16 1ST END12 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
VALVE DISCHARGE FLOW RATE
(ADSY) 17.0 GALLONS PER MINUTE
STYLE DESIGNATOR
(STYL) STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENT
(SFTT) PASSIVATE
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G43 EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST ENDG45 FLARELESS (TUBE) 2ND END

Manufacturer Part Numbers


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