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DFDB-8DN — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DFDB-8DN: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: NHA: CRANE ASSEMBLY MODEL FB30-27, end_item_identification: NEW CONSTRUCTION LPD21, part_name_assigned_by_controlling_agency: VALVE, 2-WAY POPPET, E-STOP. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-554-3475, 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
DFDB-8DN
NSN: 4810-01-554-3475
FSC: 4810 — Valves, Powered
CAGE: 54035 — SUN HYDRAULICS CORPORATION (USA)
SPECIFICATIONS
special_featuresNHA: CRANE ASSEMBLY MODEL FB30-27
end_item_identificationNEW CONSTRUCTION LPD21
part_name_assigned_by_controlling_agencyVALVE, 2-WAY POPPET, E-STOP
NSN4810-01-554-3475
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DFDB-8DN · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNHA: CRANE ASSEMBLY MODEL FB30-27
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, 2-WAY POPPET, E-STOP
END ITEM IDENTIFICATIONNEW CONSTRUCTION LPD21
SUBSTITUTES & CROSS-REFERENCES 2
AMD-1740Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
A607-07V-A06 ITEM 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DFDB-8DN?
DFDB-8DN is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace DFDB-8DN?
There are 2 known substitutes for DFDB-8DN: AMD-1740, A607-07V-A06 ITEM 4. Substitute compatibility should be verified for your specific system.
What is the NSN for DFDB-8DN?
DFDB-8DN is cataloged in the U.S. Government catalog under NSN 4810-01-554-3475. 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.