NSN 4820-00-808-6681

Part Details | SAFETY RELIEF VALVE

4820-00-808-6681 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: P132624, P13-262-4, HE28400170001, HE284-0017-0001, 4820-00-808-6681, 00-808-6681, 4820008086681, 008086681

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 01, 196800-808-668105488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU W/BAFFLE

Cross Reference | NSN 4820-00-808-6681
Part Number Cage Code Manufacturer
P13-262-491816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
HE284-0017-000189372ROCKWELL INTERNATIONAL CORPNORTH AMERICAN AIRCRAFT OPNS
Technical Data | NSN 4820-00-808-6681
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR STRAIGHT THRU W/BAFFLE
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE PACKING RETAINING
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING4.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 GASKET
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURESVALVE ANODIZED MEDIUM GRAY