4820-01-149-5570 VALVE,LINEAR,DIRECTIONAL CONTROL Index 5905-01-149-5572 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
4820-01-149-5571

Federal Supply Class:
4820

National Item Identification Number:
011495571

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:
3189108-159364HONEYWELL INTERNATIONAL INC.
3189108-177068ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV
3189108-1Q503950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
3189108-178062SARGENT AEROSPACE & DEFENSE, LLC


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENT HAVE BEEN MET, INCLUDING CETIFICATION OF TESTS FOR HYDROSTATIC AND / OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANYSUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED


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