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D5559-4 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D5559-4: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COBALT, furnished_items_and_quantity: 1 HANDWHEEL, valve_size_for_which_designed: 1.500 INCHES IN, valve_type_for_which_designed: GATE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-407-0775, 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
D5559-4
NSN: 4820-01-407-0775
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialCOBALT
furnished_items_and_quantity1 HANDWHEEL
valve_size_for_which_designed1.500 INCHES IN
valve_type_for_which_designedGATE
NSN4820-01-407-0775
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D5559-4 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
•
MATERIAL: COBALT
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
VALVE TYPE FOR WHICH DESIGNEDGATE
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
MATERIALCOBALT
SUBSTITUTES & CROSS-REFERENCES 1
D5559Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D5559-4?
D5559-4 is a STEM,FLUID VALVE.
What parts can replace D5559-4?
There is 1 known substitute for D5559-4: D5559. Substitute compatibility should be verified for your specific system.
What is the NSN for D5559-4?
D5559-4 is cataloged in the U.S. Government catalog under NSN 4820-01-407-0775. 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.