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303-12746 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

303-12746: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_style: PLAIN (PIPE) FIRST END, thread_direction: RIGHT-HAND FIRST END, mounting_facility: PANEL, operating_pressure: 4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-523-9084, 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
303-12746
NSN: 4820-01-523-9084
FSC: 4820 — Valves, Nonpowered
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_stylePLAIN (PIPE) FIRST END
thread_directionRIGHT-HAND FIRST END
mounting_facilityPANEL
operating_pressure4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.500 INCHES FIRST END IN
maximum_operating_temp80.0 CELSIUS SINGLE RESPONSE DEGC
minimum_operating_temp-30.0 CELSIUS DEGC
valve_operation_methodAUTOMATIC
end_item_identificationALOFTS SONAR SYSTEM, MODEL 980 (V1)
NSN4820-01-523-9084
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 303-12746 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
MINIMUM OPERATING TEMP: -30.0 CELSIUS DEGC
•
CONNECTION TYPE: THREADED CARTRIDGE FIRST END
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
OPERATING PRESSURE: 4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (PIPE) FIRST END
MINIMUM OPERATING TEMP-30.0 CELSIUS DEGC
CONNECTION TYPETHREADED CARTRIDGE FIRST END
STYLE DESIGNATORSCREW-IN CARTRIDGE
OPERATING PRESSURE4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
MAXIMUM OPERATING TEMP80.0 CELSIUS SINGLE RESPONSE DEGC
DISK LOADING METHODSPRING
SUBSTITUTES & CROSS-REFERENCES 1
023273Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 303-12746?
303-12746 is a VALVE,SAFETY RELIEF.
What parts can replace 303-12746?
There is 1 known substitute for 303-12746: 023273. Substitute compatibility should be verified for your specific system.
What is the NSN for 303-12746?
303-12746 is cataloged in the U.S. Government catalog under NSN 4820-01-523-9084. This indicates validated use in U.S. government and defense supply chains.
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