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NSN 4820-01-492-6580, 4820014926580
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 014926580
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 4820-01-492-6580

National Stock Number (NSN) 4820-01-492-6580, or NIIN 014926580, (valve,safety relief) was assigned December 8, 2001 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. 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: SPE7MC22V6267. The total value of the awarded contracts has been US$ 272.07.

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 Jan 02, 2005, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 4820014926580 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

BONNET ATTACHMENT METHOD
(ADST) INTEGRAL
BONNET TYPE
(ADSR) INSIDE SPRING
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 2ND END
DISK LOADING METHOD
(ADSU) SPRING
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 HANDWHEEL
END ITEM IDENTIFICATION
(AGAV) W/S AVENGER CLASS MCM
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B16, ALLOY 360 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B62, ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B62, ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B283, ALLOY 485 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL
(MATT) COPPER ALLOY 360 STEM
MATERIAL
(MATT) COPPER ALLOY 485 FLOW CONTROL DEVICE
MATERIAL
(MATT) COPPER ALLOY 836 BODY
MATERIAL
(MATT) COPPER ALLOY 836 SEAT
MAXIMUM OPERATING TEMP
(AEHZ) 406.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) LIQUID SINGLE RESPONSE
MINIMUM OPERATING TEMP
(AEQJ) -60.0 FAHRENHEIT
MOUNTING FACILITY
(AZGM) THREADED FASTENER
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.500 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.750 INCHES 2ND END
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES 2ND END
OPENING PRESSURE SETTING
(CSDC) 12.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES
(FEAT) MANUFACTURER CALLS THIS A NON-CODE BRONZE LIQUID RELIEF VALVE. IT IS A COMMERCIAL KUNKLE VALVE SOLD THROUGH DISTRIBUTORS.
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
THREAD CLASS
(AAJD) 2A 2ND END
THREAD CLASS
(AAJD) 2B 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END
THREAD QUANTITY PER INCH
(CMLP) 14 1ST END
THREAD QUANTITY PER INCH
(CMLP) 14 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC OR MANUAL
MAXIMUM OPERATING TEMP
(AEHZ) 406.0 DEG FAHRENHEIT SINGLE RESPONSE
STYLE DESIGNATOR
(STYL) ERR-090
MINIMUM OPERATING TEMP
(AEQJ) -60.0 DEG FAHRENHEIT
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 1ST END
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 2ND END

Manufacturer Part Numbers


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