3120-01-165-1415 BEARING,WASHER,THRUST Index 4820-01-165-1417 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-165-1416

Federal Supply Class:
4820

National Item Identification Number:
011651416

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:
MIL-DTL-612981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28050-196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
REFRIGERANT 12 2ND RESPONSE
WATER, FRESH 3RD RESPONSE
MAXIMUM OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES 1ST END
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-6129
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS28050-1


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