4820-00-184-9185, VALVE,STOP-CHECK

National Stock Number:
4820-00-184-9185

Federal Supply Class:
4820

National Item Identification Number:
001849185

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:

803-4384536	80064	NAVAL SHIP SYSTEMS COMMAND
803-4384536-42A	80064	NAVAL SHIP SYSTEMS COMMAND
803-4384536-42AXAF	80064	NAVAL SHIP SYSTEMS COMMAND
810-1385722	53711	NAVAL SEA SYSTEMS COMMAND
810-1385722	80064	NAVAL SHIP SYSTEMS COMMAND
810-4384536	53711	NAVAL SEA SYSTEMS COMMAND
810-4384536	80064	NAVAL SHIP SYSTEMS COMMAND
810-4384536-42A	53711	NAVAL SEA SYSTEMS COMMAND
CS4820-0019EAAA4CDDDCS	16236	DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
DS2078-1CPCSC3-	63686	THE WALWORTH COMPANY
MILV1843	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BONNET ATTACHMENT METHOD	THREADED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET WITH BRAZING RING (PIPE) ALL ENDS
FEATURES PROVIDED	BONNET PACKING
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	COPPER ALLOY 922 BODY
MATERIAL	NICKEL ALLOY R-405 FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY R-405 SEAT
MATERIAL	NICKEL ALLOY R-405 STEM
MAXIMUM OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	0.750 INCHES ALL ENDS
RENEWABLE SEAT RING TYPE	THREADED
SPECIAL FEATURES	VALVE SIZE 0.750 IN.
STYLE DESIGNATOR	STRAIGHT THRU
TEST DATA DOCUMENT	03950-CID NO. 882037225 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VALVE OPERATION METHOD	MANUAL

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