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NSN 4820-00-775-6091, 4820007756091
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 007756091
Codification Country
United States
Item Name Code
INC 05488
Criticality
(F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
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 4820-00-775-6091

National Stock Number (NSN) 4820-00-775-6091, or NIIN 007756091, (valve,safety relief) was assigned January 1, 1962 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 2 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 22, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. 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 is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820007756091 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

OPENING PRESSURE SETTING
(CSDC) 5.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) ERR-090
FLOW CONTROL DEVICE
(ADQU) POPPET
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
CONNECTION TYPE
(AWLS) FLANGE 1ST END
VALVE DISCHARGE FLOW RATE
(ADSY) 200.0 GALLONS PER MINUTE
MATERIAL
(MATT) ALUMINUM ALLOY SEAT
BOLT HOLE QUANTITY
(AECS) 6 1ST END
SURFACE TREATMENT
(SFTT) ANODIZE
DISK LOADING METHOD
(ADSU) SPRING
MATERIAL
(MATT) ALUMINUM ALLOY BODY
MATERIAL
(MATT) ALUMINUM ALLOY STEM
FLANGE FACE DESIGN
(CWDF) PLAIN 1ST END

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