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ST47D145 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ST47D145: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY, connection_type: THREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE, nominal_thread_size: 1.250 INCHES AND 1.000 INCHES AND 0.250 INCHES IN, valve_operation_method: AUTOMATIC, thread_series_designator: PTF-SPL AND NPTF, operating_pressure_and_type: 300.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-247-3259, 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
ST47D145
NSN: 4820-01-247-3259
FSC: 4820 — Valves, Nonpowered
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY
connection_typeTHREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE
nominal_thread_size1.250 INCHES AND 1.000 INCHES AND 0.250 INCHES IN
valve_operation_methodAUTOMATIC
end_connection_quantity6
thread_series_designatorPTF-SPL AND NPTF
operating_pressure_and_type300.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
maximum_operating_temp_and_media_for_which_designed175.0 FAHRENHEIT AIR DEGF
NSN4820-01-247-3259
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ST47D145 · 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
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 175.0 FAHRENHEIT AIR DEGF
•
OPERATING PRESSURE AND TYPE: 300.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 6
•
NOMINAL THREAD SIZE: 1.250 INCHES AND 1.000 INCHES AND 0.250 INCHES IN
•
BODY MATERIAL: ALUMINUM ALLOY
•
THREAD SERIES DESIGNATOR: PTF-SPL AND NPTF
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED175.0 FAHRENHEIT AIR DEGF
OPERATING PRESSURE AND TYPE300.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
CONNECTION TYPETHREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE
END CONNECTION QUANTITY6
NOMINAL THREAD SIZE1.250 INCHES AND 1.000 INCHES AND 0.250 INCHES IN
BODY MATERIALALUMINUM ALLOY
THREAD SERIES DESIGNATORPTF-SPL AND NPTF
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
G1036H-00-A4Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST47D145-1Reference 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 ST47D145?
ST47D145 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace ST47D145?
There are 2 known substitutes for ST47D145: G1036H-00-A4, ST47D145-1. Substitute compatibility should be verified for your specific system.
What is the NSN for ST47D145?
ST47D145 is cataloged in the U.S. Government catalog under NSN 4820-01-247-3259. This indicates validated use in U.S. government and defense supply chains.
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