4820-00-121-6870 VALVE,STOP-CHECK Index 6105-00-121-6874 MOTOR,STEPPING

National Stock Number:
4820-00-121-6872

Federal Supply Class:
4820

National Item Identification Number:
001216872

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.


Manufacturer Information:
33311-30 W05-3084B-02TS57574VELAN VALVE CORP.
A7103-1L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
B31644C63220FLOWSERVE INC
B31644CL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MIL-V-2209481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-V-22094L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
W05-3084B-02TS57574VELAN VALVE CORP.
W05-3084B-02TSL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
CONNECTION STYLESOCKET (PIPE) 1ST END
CRITICALITY CODE JUSTIFICATIONZZZY
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND BONNET PACKING
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 410 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 410 SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP775.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL


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