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NSN 4820-01-233-4773, 4820012334773
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012334773
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 4820-01-233-4773

National Stock Number (NSN) 4820-01-233-4773, or NIIN 012334773, (valve,safety relief) was assigned May 30, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4820012334773 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
ADJUSTABLE PRESSURE RANGE
(CQCY) +30.0 TO 100.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY
(AECS) 4 ALL ENDS
BONNET TYPE
(ADSR) INSIDE SPRING
BONNET ATTACHMENT METHOD
(ADST) THREADED
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 3.875 INCHES ALL ENDS
CONNECTION TYPE
(AWLS) FLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 3.750 INCHES
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT ALL ENDS
FLANGE SHAPE
(ARKN) ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE
(ADQU) PISTON
NOMINAL THICKNESS
(CWCK) 0.750 INCHES ALL ENDS
MATERIAL
(MATT) COPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER
(CWCD) 5.250 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 3.750 INCHES
RAISED FACE NOMINAL DIAMETER
(CWDL) 2.500 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
VALVE SIZE
(CCFG) 1.250 INCHES
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
STYLE DESIGNATOR
(STYL) C1A ANGLE FLANGED ENDS

Manufacturer Part Numbers

916772

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VBF6RWS

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H8205ITEM596

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H8205ITEM596

RNCC
5
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