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NSN 4820-00-163-5168, 4820001635168
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 001635168
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 4820-00-163-5168

National Stock Number (NSN) 4820-00-163-5168, or NIIN 001635168, (valve,safety relief) was assigned November 13, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 Dec 15, 2012, 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 4820001635168 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

DISK LOADING METHOD
(ADSU) SPRING
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.875 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.875 INCHES 2ND END
BOLT HOLE QUANTITY
(AECS) 4 1ST END
BOLT HOLE QUANTITY
(AECS) 8 2ND END
BONNET TYPE
(ADSR) EXPOSED SPRING
BONNET ATTACHMENT METHOD
(ADST) BOLTED
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 4.500 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 5.875 INCHES 2ND END
FEATURES PROVIDED
(CBBL) PRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT 2ND END
FLANGE FACE DESIGN
(CWDF) RECESSED STRAIGHT 1ST END
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 1ST END
FLANGE SHAPE
(ARKN) ROUND WITH HOLES 2ND END
FLOW CONTROL DEVICE
(ADQU) DISK
OPENING PRESSURE SETTING
(CSDC) 705.0 POUNDS PER SQUARE INCH
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.125 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 7.500 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER
(CWDL) 4.125 INCHES 2ND END
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES 2ND END
RECESS NOMINAL DEPTH
(CWDS) 0.062 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
RENEWABLE SEAT RING TYPE
(ADZH) THREADED
VALVE OPERATION METHOD
(AQLR) AUTOMATIC OR MANUAL
VALVE SIZE
(CCFG) 1.500 INCHES
VALVE DISCHARGE FLOW RATE
(ADSY) 8540.0 POUNDS PER HOUR
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


Related Inventory

A49149
3030001220695
Condition NS
BELT, V
Readily Available


 
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