4730-01-228-0319 LOCKNUT,TUBE FITTING Index 4820-01-228-0321 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-228-0320

Federal Supply Class:
4820

National Item Identification Number:
012280320

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:
7688-3094514170HUGHES MISSILE SYSTEMS CO SAN DIEGO
7688-30945-15090RAYTHEON COMPANY
7688-30945-0100DHG4GULF COAST HOLDINGS INC DBA UNIDYNAMICS
76Z0716-10DHG4GULF COAST HOLDINGS INC DBA UNIDYNAMICS
7688-30945-01014170HUGHES MISSILE SYSTEMS CO SAN DIEGO
76Z071614170HUGHES MISSILE SYSTEMS CO SAN DIEGO
76Z0716-114170HUGHES MISSILE SYSTEMS CO SAN DIEGO
76Z0716-115090RAYTHEON COMPANY
H232T1-16BB-691816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 316 BODY
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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