4820-01-702-7551 VALVE,SHUTTLE 4820-01-702-7581 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
4820-01-702-7552

Federal Supply Class:
4820

National Item Identification Number:
017027552

Description:
VALVE,SAFETY RELIEF


Manufacturer Information:
524T1-4D-1491816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 316 BODY
STEEL COMP 302 OR
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
RUBBER SYNTHETIC PACKING
VALVE SIZE0.25 INCHES
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH GAGE SINGLE RESPONSE
MAXIMUM OPERATING TEMP204.4 DEG CELSIUS SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
THREAD QUANTITY PER INCH20 ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING14.0 POUNDS PER SQUARE INCH GAGE
FURNISHED ITEMS AND QUANTITY1 GASKET
MINIMUM OPERATING TEMP-56.6 DEG CELSIUS
SPECIAL FEATURESMATERIALS: BODY - 316 STAINLESS STEEL; O-RING - SILICONE; SPRING: 302 STAINLESS OR 17-7PH STAINLESS. HYDRAULIC FLUID MIL-H-5506. OPERATING PRESSURE - VACUUM TO 200 PSIG. PROOF - 400 PSIG. BURST - ABOVE 500 PSIG. TEMPERATURE RANGE: -56.6 TO 204.4 DEG C. CRACKING PRESSURE: 14.0 PSIG. D - CONNECTION: TUBE, MALE AS4395 (MS33656) WITH CONE POINT REMOVED (INLET ONLY).
PART NAME ASSIGNED BY CONTROLLING AGENCYADJUSTABLE POPOFF AND INLINE RELIEF VALVES


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