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NSN 4820-00-469-7675, 4820004697675
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 004697675
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 4820-00-469-7675

National Stock Number (NSN) 4820-00-469-7675, or NIIN 004697675, (valve,safety relief) was assigned January 20, 1971 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.

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 4820004697675 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

MATERIAL
(MATT) STEEL STEM
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
THREAD QUANTITY PER INCH
(CMLP) 14 1ST END
STYLE DESIGNATOR
(STYL) ERR-090
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.000 INCHES 2ND END
BONNET ATTACHMENT METHOD
(ADST) THREADED
MATERIAL
(MATT) STEEL SEAT
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.750 INCHES 1ST END
BONNET TYPE
(ADSR) INSIDE SPRING
OPENING PRESSURE SETTING
(CSDC) 4800.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
DISK LOADING METHOD
(ADSU) SPRING
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 1.000 INCHES 2ND END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
FEATURES PROVIDED
(CBBL) PRESSURE TIGHT OUTLET SIDE
THREAD QUANTITY PER INCH
(CMLP) 11-1/2 2ND END
MATERIAL
(MATT) STEEL CORROSION RESISTING FLOW CONTROL DEVICE
FLOW CONTROL DEVICE
(ADQU) DISK
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
MATERIAL
(MATT) STEEL BODY

Manufacturer Part Numbers


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