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552 5588539 — FLUSHING BLOCK,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

552 5588539: FLUSHING BLOCK,HYDRAULIC SYSTEM.

FLUSHING BLOCK,HYDRAULIC SYSTEM. Key specifications include material: STEEL CORROSION RESISTING BODY, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-246-2901, 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
552 5588539
NSN: 4810-01-246-2901
NIINs: 012462901, 012474760, 012485145
FSC: 4810 — Valves, Powered
CAGE: 43889 — INDUSTRIAL ELECTRIC WIRE & CABLE, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp175.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nominal_pipe_size_accommodated0.500 INCHES ALL ENDS IN
general_characteristics_item_descriptionALUMINUM
NSN4810-01-246-2901
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 552 5588539 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM
SUBSTITUTES & CROSS-REFERENCES 3
3189361Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
552 5588539 FTG F-24Reference document
Same NSN cross-reference
Reference document — Secondary reference
3189361 HD-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 552 5588539?
552 5588539 is a FLUSHING BLOCK,HYDRAULIC SYSTEM.
What parts can replace 552 5588539?
There are 3 known substitutes for 552 5588539: 3189361, 552 5588539 FTG F-24, 3189361 HD-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 552 5588539?
552 5588539 is cataloged in the U.S. Government catalog under NSN 4810-01-246-2901. 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.