HL11251PC27 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

HL11251PC27: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICECOPPER ALLOY SEAT, seat_angle: 45.0 DEGREES FIRST END, bonnet_type: INSIDE SPRINGINSIDE SPRING, thread_class: 3A FIRST END3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-289-4389, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

HL11251PC27

NSN: 4820-00-289-4389
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING FLOW CONTROL DEVICECOPPER ALLOY SEAT
seat_angle	45.0 DEGREES FIRST END
bonnet_type	INSIDE SPRINGINSIDE SPRING
thread_class	3A FIRST END3A FIRST END A
connection_type	THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
connection_style	PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
style_designator	ANGLE
thread_direction	RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
features_provided	PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
operating_pressure	450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRINGSPRING
flow_control_device	DISKDISK
NSN	4820-00-289-4389

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISKDISK

•

NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES SECOND END0.375 INCHES SECOND END IN

•

CONNECTION STYLE: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END

•

CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END

•

STYLE DESIGNATOR: ANGLE

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISKDISK
NOMINAL PIPE SIZE ACCOMMODATED	0.375 INCHES SECOND END0.375 INCHES SECOND END IN
CONNECTION STYLE	FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
CONNECTION STYLE	PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
CONNECTION TYPE	THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATOR	ANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES FIRST END IN
OPERATING PRESSURE	450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+10.0 TO 50.0 POUNDS PER SQUARE INCH+10.0 TO 50.0 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 2

633XB-2-8-2Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

633-2-8Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HL11251PC27?

HL11251PC27 is a VALVE,SAFETY RELIEF.

What parts can replace HL11251PC27?

There are 2 known substitutes for HL11251PC27: 633XB-2-8-2, 633-2-8. Substitute compatibility should be verified for your specific system.

What is the NSN for HL11251PC27?

HL11251PC27 is cataloged in the U.S. Government catalog under NSN 4820-00-289-4389. This indicates validated use in U.S. government and defense supply chains.

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