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NSN 4820-00-142-2807, 4820001422807
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 001422807
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 4820-00-142-2807

National Stock Number (NSN) 4820-00-142-2807, or NIIN 001422807, (valve,safety relief) was assigned January 1, 1963 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, 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 4820001422807 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

CONNECTION TYPE
(AWLS) FLANGE ALL ENDS
MOUNTING FACILITY
(AZGM) BRACKET
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 3.750 INCHES
FLANGE FACE DESIGN
(CWDF) PLAIN 1ST END
MATERIAL
(MATT) COPPER ALLOY BODY
FLOW CONTROL DEVICE
(ADQU) DISK
FLANGE SHAPE
(ARKN) ROUND WITH HOLES ALL ENDS
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 4.500 INCHES ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
NOMINAL THICKNESS
(CWCK) 0.688 INCHES ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
MAXIMUM OPERATING TEMP
(AEHZ) 450.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.125 INCHES ALL ENDS
BONNET ATTACHMENT METHOD
(ADST) INTEGRAL
MAXIMUM OPERATING PRESSURE
(CQGM) 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 3.000 INCHES
MEDIA FOR WHICH DESIGNED
(MEDA) STEAM SINGLE RESPONSE
BONNET TYPE
(ADSR) INSIDE SPRING
BOLT HOLE QUANTITY
(AECS) 4 ALL ENDS
VALVE SIZE
(CCFG) 1.500 INCHES
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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