4820-01-158-7255 VALVE,SENSOR Index 4920-01-158-7258 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
4820-01-158-7256

Federal Supply Class:
4820

National Item Identification Number:
011587256

Description:
VALVE,LINEAR,DIRECTIONAL CONTROL

Detail:
A manually or power operated valve having three or more ports. The direction of the flow through the various ports is controlled by either one or more reciprocating slide(s) or spool(s) with recess areas which mate with ports in an integral or replaceable ported sleeve, or one or more poppet(s). It is designed to change the direction of fluid flow from one valve port to another. An off (no flow) position is not a flow pattern. The valve is designed to actuate various components of a fluid system. A power operated valve may have a manual override. For items which stop, start, or change the flow of fluid, see: VALVE, SOLENOID. Excludes VALVE, PLUG. See also SERVOVALVE, HYDRAULIC; BODY SECTION, WORKING, LINEAR DIRECTIONAL CONTROL VALVE; and VALVE ASSEMBLY.


Manufacturer Information:
822261598750SAN ANTONIO AIR LOGISTICS CENTER
A04718000158328ZWICK ENERGY RESEARACH ORGANIZATION INC
VPS-250297902VERSA PRODUCTS CO INC


Techincal Specification:
END CONNECTION QUANTITY2
BODY MATERIALCOPPER ALLOY OR STEEL CORROSION RESISTING
CONNECTION TYPETHREADED INTERNAL PIPE
FURNISHED ITEMS AND QUANTITY1 PILOT VALVE
FLOW PATTERN QUANTITY2
NOMINAL THREAD SIZE0.500 INCHES
SPOOL POSITION QUANTITY2
SPOOL QUANTITY1
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODAUTOMATIC


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