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Technical Data Sheet
PartsTable / COMPONENT / D50FF-04-2 1/2IN
D50FF-04-2 1/2IN ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The D50FF-04-2 1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-344-5607, 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
D50FF-04-2 1/2IN
NSN: 4820-01-344-5607
FSC: 4820
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
Part NumberD50FF-04-2 1/2IN
NSN4820-01-344-5607
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D50FF-04-2 1/2IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
D50128Interchangeable
interchangeable cross-reference
interchangeable
R10AL2L208 AND D50128Interchangeable
interchangeable cross-reference
interchangeable
D50FF-3-000Interchangeable
interchangeable cross-reference
interchangeable
B2022CInterchangeable
interchangeable cross-reference
interchangeable
D50FF-3-000 PART B2022-2CInterchangeable
interchangeable cross-reference
interchangeable
D50-2 1/2-005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D50FF-04-2 1/2IN?
D50FF-04-2 1/2IN is a D50FF-04-2 1/2IN.
What parts can replace D50FF-04-2 1/2IN?
There are 20 known substitutes for D50FF-04-2 1/2IN: D50128, R10AL2L208 AND D50128, D50FF-3-000 and 17 more. Substitute compatibility should be verified for your specific system.
Is D50FF-04-2 1/2IN still available?
D50FF-04-2 1/2IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026