NSN 4820-00-139-4118

Part Details | SAFETY RELIEF VALVE


4820-00-139-4118 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.

Alternate Parts: 520A8D148, 520A-8D-148, 10233963, 4820-00-139-4118, 00-139-4118, 4820001394118, 001394118

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 01, 197100-139-411805488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU


Cross Reference | NSN 4820-00-139-4118
Part Number Cage Code Manufacturer
520A-8D-14891816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
1023396318876U S ARMY AVIATION AND MISSILECOMMAND

Technical Data | NSN 4820-00-139-4118
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING148.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESVALVE SIZE 0.500 IN.