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NSN 4820-01-022-3870, 4820010223870
Cancelled -> Replaced by 4820003833778

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 010223870
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: In Stock Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4820-01-022-3870

National Stock Number (NSN) 4820-01-022-3870, or NIIN 010223870, (valve,safety relief) was assigned May 28, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4820002025798, 4820003833778.

There are 3 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 2 suppliers. 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, 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 4820010223870 contains an unknown precious metal.

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

CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) 2ND END
STYLE DESIGNATOR
(STYL) ERR-090
BONNET ATTACHMENT METHOD
(ADST) THREADED
BONNET TYPE
(ADSR) INSIDE SPRING
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE 1ST END
CONNECTION STYLE
(AHNC) PLAIN (PIPE) 2ND END
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) 1ST END
DISK LOADING METHOD
(ADSU) SPRING
FEATURES PROVIDED
(CBBL) PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY BODY
MATERIAL
(MATT) COPPER ALLOY STEM
MATERIAL
(MATT) PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIAL
(MATT) RUBBER CHLOROPRENE CLASS CR SEAT
MAXIMUM OPERATING PRESSURE
(CQGM) 15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) STEAM SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.250 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.500 INCHES 1ST END
NOMINAL THREAD SIZE
(CQJX) 1.250 INCHES 2ND END
NOMINAL THREAD SIZE
(CQJX) 1.250 INCHES 1ST END
OPENING PRESSURE SETTING
(CSDC) 15.0 POUNDS PER SQUARE INCH
POWER DRIVE OPERATING PRESSURE
(CQCN) 15.0 POUNDS PER SQUARE INCH NOMINAL
STYLE DESIGNATOR
(STYL) ANGLE
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
THREAD SERIES DESIGNATOR
(THSD) NPT 1ST END
THREAD SERIES DESIGNATOR
(THSD) NPT 2ND END
VALVE DISCHARGE FLOW RATE
(ADSY) 1200.0 POUNDS PER HOUR
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) 1ST END

Manufacturer Part Numbers


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