Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-246-0838 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: 780RPF, 780-RPF, 780RPF1411, 780-RPF-1411, 4820-01-246-0838, 01-246-0838, 4820012460838, 012460838

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 DEC 1986 01-246-0838

Drawings & Photos | NSN 4820-01-246-0838


Cross Reference | NSN 4820-01-246-0838

Part Number Cage Code Manufacturer
780-RPF 98021 HALKEY-ROBERTS CORPORATION
780-RPF-1411 98021 HALKEY-ROBERTS CORPORATION

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Technical Data | NSN 4820-01-246-0838

Characteristic Specifications
BODY STYLE A1 STRAIGHT THRU
BODY MATERIAL ALUMINUM
OUTSIDE SURFACE TREATMENT ANODIZED, MIL-A-8625, TYPE 2
SEAT MATERIAL NICKEL
FLOW CONTROL DEVICE POPPET
FLOW CONTROL DEVICE MATERIAL PLASTIC
STEM MATERIAL PLASTIC
END CONNECTION QUANTITY 1
TEMP RATING -40.0 DEG CELSIUS 180.0 DEG CELSIUS
SPECIAL FEATURES SUPPLIED WITH NEOPRENE FLANGE FOR BONDING TO RUBBER

Restrictions/Controls & Freight Information | NSN 4820-01-246-0838

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information