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NSN 4820-01-134-9103, 4820011349103
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011349103
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 4820-01-134-9103

National Stock Number (NSN) 4820-01-134-9103, or NIIN 011349103, (valve,safety relief) was assigned July 13, 1982 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 one supplier. 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

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 4820011349103 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
CONNECTION STYLE
(AHNC) G50 EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
DISK LOADING METHOD
(ADSU) SPRING
CONNECTION STYLE
(AHNC) EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS 1ST END
FLOW CONTROL DEVICE
(ADQU) POPPET
OPENING PRESSURE SETTING
(CSDC) 19.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL
(MATT) ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATERIAL
(MATT) ALUMINUM ALLOY 2024 SEAT
MATERIAL
(MATT) ALUMINUM ALLOY 2024 STEM
MATERIAL
(MATT) ALUMINUM ALLOY 2024 BODY
MATERIAL
(MATT) RUBBER SILICONE CLASS Q PACKING
MAXIMUM OPERATING PRESSURE
(CQGM) 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 400.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) CARBON DIOXIDE 2ND RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) HELIUM 3RD RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) HYDROGEN 4TH RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) NITROGEN, GASEOUS 5TH RESPONSE
SPECIAL FEATURES
(FEAT) 6TH MEDIA OXYGEN,GASEOUS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) STRAIGHT THRU

Manufacturer Part Numbers


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