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NSN 4820-00-963-0003, 4820009630003
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 009630003
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 4820-00-963-0003

National Stock Number (NSN) 4820-00-963-0003, or NIIN 009630003, (valve,safety relief) was assigned January 1, 1962 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 4820009630003 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

ADJUSTABLE PRESSURE RANGE
(CQCY) +3.0 TO 250.0 POUNDS PER SQUARE INCH
MATERIAL
(MATT) COPPER ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
DISK LOADING METHOD
(ADSU) SPRING
STYLE DESIGNATOR
(STYL) ERR-090
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
BONNET ATTACHMENT METHOD
(ADST) THREADED
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
MATERIAL
(MATT) COPPER ALLOY SEAT
BONNET TYPE
(ADSR) INSIDE SPRING
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
THREAD QUANTITY PER INCH
(CMLP) 14 1ST END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.750 INCHES 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
MAXIMUM OPERATING TEMP
(AEHZ) 406.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES 1ST END
VALVE DISCHARGE FLOW RATE
(ADSY) 217.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
MAXIMUM OPERATING PRESSURE
(CQGM) 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY BODY
ADJUSTABLE PRESSURE RANGE
(CQCY) +3.0/+250.0 POUNDS PER SQUARE INCH
MATERIAL
(MATT) STEEL STEM

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