Product Details | SAFETY RELIEF VALVE

4820-01-631-8132 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: SS4R3A5177R3AK1D, 4820-01-631-8132, 01-631-8132, 4820016318132, 016318132

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014269 01-631-8132

Cross Reference | NSN 4820-01-631-8132

Part Number Cage Code Manufacturer
SS-4R3A5+177-R3A-K1-D 3T9T9 SWAGELOK COMPANY

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Technical Data | NSN 4820-01-631-8132

Characteristic Specifications
MATERIAL STEEL STAINLESS BODY
MATERIAL DOCUMENT AND CLASSIFICATION 316SS/A182 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR ANGLE
OFFSET DISTANCE 1.19 INCHES
VALVE OPERATION METHOD MANUAL
NOMINAL LENGTH 3.89 INCHES ALL ENDS
NOMINAL WIDTH 1.6 INCHES ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.25 INCHES ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.25 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
OPENING PRESSURE SETTING 6000.0 POUNDS PER SQUARE INCH
III PART NAME ASSIGNED BY CONTROLLING AGENCY PROPORTIONAL RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-631-8132

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.
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