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NSN 4820-00-795-5476, 4820007955476
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 007955476
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 4820-00-795-5476

National Stock Number (NSN) 4820-00-795-5476, or NIIN 007955476, (valve,safety relief) was assigned January 1, 1963 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, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 4820007955476 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

DISK LOADING METHOD
(ADSU) SPRING
CONNECTION STYLE
(AHNC) FLARED (TUBE) 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE 1ST END
FLOW CONTROL DEVICE
(ADQU) PISTON
NOMINAL THREAD SIZE
(CQJX) 0.437 INCHES 1ST END
MAXIMUM OPERATING TEMP
(AEHZ) 160.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.250 INCHES 1ST END
SEAT ANGLE
(CQRB) 37.0 DEGREES 1ST END
POWER DRIVE OPERATING PRESSURE
(CQCN) 3000.0 POUNDS PER SQUARE INCH NOMINAL
RENEWABLE SEAT RING TYPE
(ADZH) PRESSED-IN
TEST DATA DOCUMENT
(TEST) 81349-MIL-E-5272 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD CLASS
(AAJD) 3A 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNF 1ST END
THREAD QUANTITY PER INCH
(CMLP) 20 1ST END
VALVE OPERATION METHOD
(AQLR) AIR
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENT
(SFTT) ANODIZE
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G42 FLARED (TUBE) 1ST END

Manufacturer Part Numbers


Related Inventory

872096-3800
4820007955476
Condition NS
VALVE
Readily Available


 
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