NSN 4820-00-640-6570

Part Details | GATE VALVE

4820-00-640-6570 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Alternate Parts: 1434, 4820-00-640-6570, 00-640-6570, 4820006406570, 006406570

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-640-657005482 ( VALVE, GATE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-640-6570
Part Number Cage Code Manufacturer
143437239LUNKENHEIMER CO
Technical Data | NSN 4820-00-640-6570
Characteristic Specifications
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED+AB+250.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE FLANGE, ROUND W/HOLES
FLANGE DIAMETER12.500 INCHES
BOLT HOLE QUANTITY8
FACE TO FACE DISTANCE15.875 INCHES
FLANGE FACE DESIGN PLAIN
STEM TYPE RISING
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
FEATURES PROVIDED BONNET PACKING
SPECIAL FEATURES1.625 IN. THK;0.875 IN. BOLT HOLE DIA;10.625 IN. BOLT CIRCLE DIA;6 IN. NOM PIPE SIZE ACCOMMODATED