4730-00-684-0456 ELBOW,PIPE TO TUBE Index 1650-00-684-0467 VALVE,CHECK

National Stock Number:
4820-00-684-0461

Federal Supply Class:
4820

National Item Identification Number:
006840461

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
MS28883-696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
ALUMINUM ALLOY FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
CARBON DIOXIDE 2ND RESPONSE
FUEL/OIL, HYDROCARBON 3RD RESPONSE
MAXIMUM OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH 1ST RESPONSE
60.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP169.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
SEAT ANGLE120.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS28883-6


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