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NSN 4820-00-604-3002, 4820006043002
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 006043002
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 4820-00-604-3002

National Stock Number (NSN) 4820-00-604-3002, or NIIN 006043002, (valve,safety relief) was assigned January 22, 1975 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.

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 4820006043002 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END
MEDIA FOR WHICH DESIGNED
(MEDA) BUTANE 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 2.500 INCHES 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
SURFACE TREATMENT
(SFTT) CADMIUM
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
MAXIMUM OPERATING PRESSURE
(CQGM) 350.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 350.0 POUNDS PER SQUARE INCH 2ND RESPONSE
DISK LOADING METHOD
(ADSU) SPRING
MATERIAL
(MATT) COPPER ALLOY BODY
MOUNTING FACILITY
(AZGM) THREADED FASTENER

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