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F420S4F — VALVE,FLOW CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

F420S4F: VALVE,FLOW CONTROL.

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include body_material: STEEL, connection_type: THREADED INTERNAL PIPE, flow_control_device: NEEDLE, valve_operation_method: AUTOMATIC, end_item_identification: AN/SLW-2 AUX SYSTEM, operating_pressure_and_type: 5000.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-705-0019, 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
F420S4F
NSN: 4820-01-705-0019
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
body_materialSTEEL
connection_typeTHREADED INTERNAL PIPE
flow_control_deviceNEEDLE
valve_operation_methodAUTOMATIC
end_connection_quantity2
end_item_identificationAN/SLW-2 AUX SYSTEM
operating_pressure_and_type5000.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED LBS
maximum_operating_temp_and_media_for_which_designed250.0 FAHRENHEIT OIL DEGF
NSN4820-01-705-0019
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F420S4F · 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: NEEDLE
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 250.0 FAHRENHEIT OIL DEGF
•
OPERATING PRESSURE AND TYPE: 5000.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED LBS
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 2
•
BODY MATERIAL: STEEL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICENEEDLE
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED250.0 FAHRENHEIT OIL DEGF
OPERATING PRESSURE AND TYPE5000.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED LBS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY2
BODY MATERIALSTEEL
END ITEM IDENTIFICATIONAN/SLW-2 AUX SYSTEM
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

No substitute or cross-reference records for this part.

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 F420S4F?
F420S4F is a VALVE,FLOW CONTROL.
What is the NSN for F420S4F?
F420S4F is cataloged in the U.S. Government catalog under NSN 4820-01-705-0019. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.