4820-01-262-8304, VALVE,REGULATING,SYSTEM PRESSURE

4730-01-262-8303 COUPLING HALF,SELF-SEALING

National Stock Number:
4820-01-262-8304

Federal Supply Class:
4820

National Item Identification Number:
012628304

Description:
VALVE,REGULATING,SYSTEM PRESSURE

Detail:
A VALUE DESIGNED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED PRESSURE WITHIN A CLOSED SYSTEM REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. THE EXCESS PRESSURE IS BY-PASSED TO THE ACCUMULATOR OR RESERVOIR IN LIEU OF PASSING THROUGH THE ENTIRE SYSTEM. IT IS DESIGNED PRIMARILY FOR USE IN REFRIGERATION AND AIR CONDITIONING SYSTEMS. EXCLUDES VALVE, REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.

Manufacturer Information:

26-1622-28-292	13669	TESCOM CORP
26-16XX-XX-292	13669	TESCOM CORP

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	ZZZY
END CONNECTION QUANTITY	2
FIRST END CONNECTION TYPE	THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END THREAD DIRECTION	RIGHT-HAND
FLOW CONTROL DEVICE	DIAPHRAGM
MATERIAL	RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING BODY
MATERIAL	STEEL CORROSION RESISTING SEAT
MATERIAL	STEEL CORROSION RESISTING STEM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
SPECIAL FEATURES	MIL-I-45208; MIL-STD-129; MIL-STD-767; A0R-767-1; STR-500

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