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NSN 4820-01-041-1368, 4820010411368
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 010411368
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 4820-01-041-1368

National Stock Number (NSN) 4820-01-041-1368, or NIIN 010411368, (valve,safety relief) was assigned May 20, 1977 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 3 suppliers. Today, 2 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 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 23, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 4820010411368 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

STYLE DESIGNATOR
(STYL) ERR-090
ADJUSTABLE PRESSURE RANGE
(CQCY) +50.0 TO 250.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD
(ADST) THREADED
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) BALL
MATERIAL
(MATT) IRON CAST BODY
MATERIAL
(MATT) STEEL FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL SEAT
MATERIAL
(MATT) STEEL STEM
MAXIMUM OPERATING PRESSURE
(CQGM) 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) OIL, HYDRAULIC SINGLE RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES ALL ENDS
OFFSET DISTANCE
(ACJN) 1.250 INCHES
RENEWABLE SEAT RING TYPE
(ADZH) THREADED
STYLE DESIGNATOR
(STYL) CAPS W/OFFSET
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE DISCHARGE FLOW RATE
(ADSY) 9.0 GALLONS PER MINUTE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) ALL ENDS
ADJUSTABLE PRESSURE RANGE
(CQCY) +50.0/+250.0 POUNDS PER SQUARE INCH

Manufacturer Part Numbers


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