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NSN 4820-00-967-1018, 4820009671018
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 009671018
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 4820-00-967-1018

National Stock Number (NSN) 4820-00-967-1018, or NIIN 009671018, (valve,safety relief) was assigned January 1, 1962 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, there are no suppliers that are 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 4820009671018 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

BOLT HOLE QUANTITY
(AECS) 8 1ST END
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 10.625 INCHES 2ND END
STYLE DESIGNATOR
(STYL) ANGLE
STYLE DESIGNATOR
(STYL) ERR-090
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
VALVE DISCHARGE FLOW RATE
(ADSY) 10854.0 POUNDS PER HOUR
BOLT HOLE QUANTITY
(AECS) 12 2ND END
MAXIMUM OPERATING PRESSURE
(CQGM) 160.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER
(CWCD) 10.000 INCHES 1ST END
FLOW CONTROL DEVICE
(ADQU) DISK
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.750 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.875 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER
(CWDL) 5.750 INCHES 1ST END
MATERIAL
(MATT) STEEL BODY
MAXIMUM OPERATING TEMP
(AEHZ) 450.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL THICKNESS
(CWCK) 0.875 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 7.875 INCHES 1ST END
CONNECTION TYPE
(AWLS) FLANGE 2ND END
OPENING PRESSURE SETTING
(CSDC) 50.0 POUNDS PER SQUARE INCH
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT 1ST END
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES 1ST END
BONNET ATTACHMENT METHOD
(ADST) BOLTED
NOMINAL THICKNESS
(CWCK) 0.875 INCHES 2ND END
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 6.562 INCHES
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES 2ND END
DISK LOADING METHOD
(ADSU) SPRING
CONNECTION TYPE
(AWLS) FLANGE 1ST END
MATERIAL
(MATT) STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL CORROSION RESISTING SEAT
MATERIAL
(MATT) STEEL CORROSION RESISTING STEM
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 1ST END
BONNET TYPE
(ADSR) EXPOSED SPRING
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER
(CWCD) 12.500 INCHES 2ND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 7.250 INCHES
RAISED FACE NOMINAL DIAMETER
(CWDL) 8.125 INCHES 2ND END

Manufacturer Part Numbers


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