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Technical Data Sheet
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7783-6 — Technical Data Sheet

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Legrand · 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 VALVE ASSEMBLY is a Legrand industrial component. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-213-0710, 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
7783-6
NSN: 4820-00-213-0710
FSC: 4820
CAGE: 86035 — CALGON CORP (USA)
SPECIFICATIONS
Part Number7783-6
ManufacturerLegrand
NSN4820-00-213-0710
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7783-6 · Legrand ⚠ 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 14
103034InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
456MDB1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
77836-001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2N3249InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
103030InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
100506InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7783-6?
7783-6 is a VALVE ASSEMBLY manufactured by Legrand.
What parts can replace 7783-6?
There are 14 known substitutes for 7783-6: 103034, 456MDB1, 77836-001 and 11 more. Substitute compatibility should be verified for your specific system.
Is 7783-6 still available?
7783-6 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: September 2026