4820-00-752-9959, VALVE,STOP-CHECK

2410-00-752-9960 TRACTOR,FULL TRACKED,LOW SPEED

National Stock Number:
4820-00-752-9959

Federal Supply Class:
4820

National Item Identification Number:
007529959

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:

831 1IN	34749	ANVIL PRODUCTS INC SALES DEPT
B622-0-BC1D882039063	11859	HUNT VALVE COMPANY, INC.
SPCL3652U	14959	CRANE CO DIV VALVE DIV
MILV22094	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL BODY
	COBALT ALLOY FLOW CONTROL DEVICE
	COBALT ALLOY SEAT
	STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR	STRAIGHT THRU
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	975.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	UNTHREADED INTERNAL TUBE 1ST END
CONNECTION STYLE	SOCKET (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	1.000 INCHES 1ST END
MOUNTING POSITION	HORIZONTAL
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	BOLTED
FEATURES PROVIDED	BONNET PACKING
NONDEFINITIVE SPEC/STD DATA	D COMPOSITION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MILV22094

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