Product Details | SAFETY RELIEF VALVE

4820-01-552-9775 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.

Part Alternates: N30, 4820-01-552-9775, 01-552-9775, 4820015529775, 015529775

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 JUN 2007 01-552-9775

Drawings & Photos | NSN 4820-01-552-9775


Cross Reference | NSN 4820-01-552-9775

Part Number Cage Code Manufacturer
N30 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-01-552-9775

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A40 ANGLE W/OFFSET
MAXIMUM OPERATING PRESSURE 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
FURNISHED ITEMS AND QUANTITY 1 SPRING
SPECIAL FEATURES SIZE ONE HALF INCH

Restrictions/Controls & Freight Information | NSN 4820-01-552-9775

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information