3120-01-127-3838 BEARING,WASHER,THRUST Index 4820-01-127-3840 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-127-3839

Federal Supply Class:
4820

National Item Identification Number:
011273839

Description:
VALVE,GATE

Detail:
A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.


Manufacturer Information:
S-111 3/8IN12168NIBCO INC
S-111-3/812168NIBCO INC
WW-V-54 TYIICLAST380244GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
WW-V-5481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPESOCKET, WELD, PIPE
FEATURES PROVIDEDBONNET PACKING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALSILICON STEM
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES
STEM TYPERISING
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPRVED SOURCES;12168 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
VALVE OPERATION METHODMANUAL
VALVE SIZE0.375 INCHES


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