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NSN 4820-01-220-0842, 4820012200842
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012200842
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 4820-01-220-0842

National Stock Number (NSN) 4820-01-220-0842, or NIIN 012200842, (valve,safety relief) was assigned November 8, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 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.

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 4820012200842 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

CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 2ND END
STYLE DESIGNATOR
(STYL) C1 ANGLE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
STYLE DESIGNATOR
(STYL) ANGLE
MEDIA FOR WHICH DESIGNED
(MEDA) STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATERIAL
(MATT) COPPER ALLOY BODY
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES ALL ENDS
FLOW CONTROL DEVICE
(ADQU) CONE
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 2ND END
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END

Manufacturer Part Numbers


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