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NSN 4820-01-263-3048, 4820012633048
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012633048
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 4820-01-263-3048

National Stock Number (NSN) 4820-01-263-3048, or NIIN 012633048, (valve,safety relief) was assigned September 12, 1987 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 one supplier. 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, with the most recent procurement date of Oct 26, 2009. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M210M0736. The total value of the awarded contracts has been US$ 1,088.00.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 11, 2009, 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 4820012633048 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
ADJUSTABLE PRESSURE RANGE
(CQCY) +5.0 TO 30.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD
(ADST) BOLTED
BONNET TYPE
(ADSR) INSIDE SPRING
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
FLOW CONTROL DEVICE
(ADQU) PISTON
MATERIAL
(MATT) ALUMINUM BODY
MATERIAL
(MATT) ALUMINUM FLOW CONTROL DEVICE
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIAL
(MATT) STEEL STEM
MAXIMUM OPERATING PRESSURE
(CQGM) 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 60.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES ALL ENDS
SPECIAL FEATURES
(FEAT) GLOBE TYPE;3PORTS-INLET A,INLET B STRAIGHT THRU FLOW;PORT C VENT PORT AT BOTTOM;FURNISHED WITH MODIFICATION NO.2 OVERSPEED OR MANUAL TRIP LEVER 1 AND RESET LEVER 1
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
ADJUSTABLE PRESSURE RANGE
(CQCY) +5.0/+30.0 POUNDS PER SQUARE INCH
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) ALL ENDS

Manufacturer Part Numbers


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