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Technical Data Sheet
PartsTable / COMPONENT / 3/4 2478D-XDA1
3/4 2478D-XDA1 ✓ 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 3/4 2478D-XDA1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-554-9623, 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
3/4 2478D-XDA1
NSN: 4820-00-554-9623
FSC: 4820
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
Part Number3/4 2478D-XDA1
NSN4820-00-554-9623
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3/4 2478D-XDA1 · 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 17
2-478Interchangeable
interchangeable cross-reference
interchangeable
P425GASKETInterchangeable
interchangeable cross-reference
interchangeable
D15-439EPC160-161-176-177Interchangeable
interchangeable cross-reference
interchangeable
91700919Interchangeable
interchangeable cross-reference
interchangeable
543BPC17Interchangeable
interchangeable cross-reference
interchangeable
DB7907Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4 2478D-XDA1?
3/4 2478D-XDA1 is a 3/4 2478D-XDA1.
What parts can replace 3/4 2478D-XDA1?
There are 17 known substitutes for 3/4 2478D-XDA1: 2-478, P425GASKET, D15-439EPC160-161-176-177 and 14 more. Substitute compatibility should be verified for your specific system.
Is 3/4 2478D-XDA1 still available?
3/4 2478D-XDA1 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