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NSN 4820-01-185-4307, 4820011854307
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011854307
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 4820-01-185-4307

National Stock Number (NSN) 4820-01-185-4307, or NIIN 011854307, (valve,safety relief) was assigned July 29, 1984 in the Federal Logistics Information System (FLIS). NIIN 011854307 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, there are no suppliers that 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 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 4820011854307 does not contain precious metals.

This information was last updated on .


Technical Characteristics

BONNET TYPE
(ADSR) EXPOSED SPRING
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.500 INCHES ALL ENDS
MAXIMUM OPERATING TEMP
(AEHZ) 160.0 DEG FAHRENHEIT SINGLE RESPONSE
FLOW CONTROL DEVICE
(ADQU) DISK
DISK LOADING METHOD
(ADSU) SPRING
CONNECTION STYLE
(AHNC) STREAMLINED WITH TWO BRAZING RINGS (TUBE) ERR-100
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
MEDIA FOR WHICH DESIGNED
(MEDA) WATER-OIL-GAS SINGLE RESPONSE
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL TUBE ALL ENDS
MAXIMUM OPERATING PRESSURE
(CQGM) 3400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
STYLE DESIGNATOR
(STYL) ANGLE
BONNET ATTACHMENT METHOD
(ADST) BOLTED
MATERIAL
(MATT) COPPER ALLOY BODY
ADJUSTABLE PRESSURE RANGE
(CQCY) +3001.0/+4050.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES
(FEAT) WITH ADJUSTING RING


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