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NSN 4820-01-305-3864, 4820013053864
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013053864
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 4820-01-305-3864

National Stock Number (NSN) 4820-01-305-3864, or NIIN 013053864, (valve,safety relief) was assigned August 4, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

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 4820013053864 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

STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
MAXIMUM OPERATING TEMP
(AEHZ) 406.0 DEG FAHRENHEIT SINGLE RESPONSE
ADJUSTABLE PRESSURE RANGE
(CQCY) +140.0/+169.0 POUNDS PER SQUARE INCH
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END
ADJUSTABLE PRESSURE RANGE
(CQCY) +140.0 TO 169.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD
(ADST) THREADED
BONNET TYPE
(ADSR) INSIDE SCREW
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY BODY
MAXIMUM OPERATING PRESSURE
(CQGM) 250.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 400.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 406.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) STEAM 2ND RESPONSE
NOMINAL THREAD SIZE
(CQJX) 1.000 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 1.250 INCHES 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS

Manufacturer Part Numbers


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