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NSN 4820-01-332-1318, 4820013321318
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013321318
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 4820-01-332-1318

National Stock Number (NSN) 4820-01-332-1318, or NIIN 013321318, (valve,safety relief) was assigned January 4, 1991 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 4 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, 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 Aug 22, 2014, 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 4820013321318 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

VALVE SIZE
(CCFG) 3.000 INCHES
ADJUSTABLE PRESSURE RANGE
(CQCY) +96.0 TO 111.0 POUNDS PER SQUARE INCH
NOMINAL OUTSIDE DIAMETER
(CWCD) 9.000 INCHES 1ST END
FLANGE FACE DESIGN
(CWDF) PLAIN 2ND END
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER
(CWCD) 8.250 INCHES 2ND END
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 6.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 6.125 INCHES
SPECIAL FEATURES
(FEAT) NOZZLE ON INLET SIDE
DISK LOADING METHOD
(ADSU) SPRING
CONNECTION TYPE
(AWLS) FLANGE 1ST END
NOMINAL THICKNESS
(CWCK) 0.906 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.875 INCHES 2ND END
BOLT HOLE QUANTITY
(AECS) 8 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
RAISED FACE NOMINAL DIAMETER
(CWDL) 6.188 INCHES 1ST END
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT 1ST END
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR
(STYL) ERR-090
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.750 INCHES 1ST END
BONNET ATTACHMENT METHOD
(ADST) BOLTED
OPENING PRESSURE SETTING
(CSDC) 100.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES 1ST END
NOMINAL THICKNESS
(CWCK) 0.938 INCHES 1ST END
FLOW CONTROL DEVICE
(ADQU) DISK
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 1ST END
CONNECTION TYPE
(AWLS) FLANGE 2ND END
BOLT HOLE QUANTITY
(AECS) 8 1ST END
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
ADJUSTABLE PRESSURE RANGE
(CQCY) +96.0/+111.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 7.500 INCHES 1ST END
BONNET TYPE
(ADSR) INSIDE SCREW
MAXIMUM OPERATING TEMP
(AEHZ) 925.0 DEG FAHRENHEIT SINGLE RESPONSE
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 6.625 INCHES 2ND END


Related Inventory

NMP-1561 PART 043.50
5330013321455
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