4820-01-334-0011, VALVE,STOP-CHECK

5915-01-334-0012 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-334-0011

Federal Supply Class:
4820

National Item Identification Number:
013340011

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:

845-6399128-T121	53711	NAVAL SEA SYSTEMS COMMAND
845-6399128-T121L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

BONNET TYPE	PACKING RETAINING
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
CRITICALITY CODE JUSTIFICATION	ZZZY
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
FACE TO FACE DISTANCE	3.562 INCHES
FLOW CONTROL DEVICE	DISK
MATERIAL	NICKEL ALLOY BODY
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
SUPPLEMENTARY FEATURES	OPTIONAL FLOW CONTROL DEVICE: STEM
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	0.500 INCHES

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