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40449-1 ✓ Verified by PartsTable
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 CONNECTOR,PLUG,ELECTRICAL is a Legrand industrial component. Key specifications include material: NICKEL ALLOY OVERALL, seating_surface_shape: FLAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-221-8874, 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
40449-1
NSN: 4820-01-221-8874
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
seating_surface_shapeFLAT
NSN4820-01-221-8874
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40449-1 · 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
KEY FEATURES
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
MATERIALNICKEL ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
84-100-1Interchangeable
interchangeable cross-reference
interchangeable
373134-01Interchangeable
interchangeable cross-reference
interchangeable
841-00Interchangeable
interchangeable cross-reference
interchangeable
8410-2Interchangeable
interchangeable cross-reference
interchangeable
4100020-1Interchangeable
interchangeable cross-reference
interchangeable
8410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40449-1?
40449-1 is a CONNECTOR,PLUG,ELECTRICAL manufactured by Legrand.
What parts can replace 40449-1?
There are 21 known substitutes for 40449-1: 84-100-1, 373134-01, 841-00 and 18 more. Substitute compatibility should be verified for your specific system.
Is 40449-1 still available?
40449-1 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