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NSN 4820-01-477-5085, 4820014775085
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 014775085
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 4820-01-477-5085

National Stock Number (NSN) 4820-01-477-5085, or NIIN 014775085, (valve,safety relief) was assigned August 10, 2000 in the Federal Logistics Information System (FLIS). NIIN 014775085 was cancelled on December 5, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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.

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 4820014775085 does not contain precious metals.

This information was last updated on .


Technical Characteristics

STYLE DESIGNATOR
(STYL) STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT SINGLE RESPONSE
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
OPENING PRESSURE SETTING
(CSDC) 391.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) ERR-090
MINIMUM OPERATING TEMP
(AEQJ) -40.0 DEG FAHRENHEIT
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
MAXIMUM OPERATING PRESSURE
(CQGM) 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATERIAL
(MATT) STEEL COMP 303 BODY
SPECIAL FEATURES
(FEAT) LOCKWIRE


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