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PartsTable / COMPONENT / N440400059
N440400059 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: VALVE SIZE 1.500IN IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-368-1572, 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
N440400059
NSN: 4820-01-368-1572
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL
special_featuresVALVE SIZE 1.500IN IN
NSN4820-01-368-1572
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N440400059 · 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 11
N533910059Interchangeable
interchangeable cross-reference
interchangeable
18500N PIECE 3FInterchangeable
interchangeable cross-reference
interchangeable
18500NInterchangeable
interchangeable cross-reference
interchangeable
44040Interchangeable
interchangeable cross-reference
interchangeable
A44040Interchangeable
interchangeable cross-reference
interchangeable
43877-00-58Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N440400059?
N440400059 is a DISK,VALVE.
What parts can replace N440400059?
There are 11 known substitutes for N440400059: N533910059, 18500N PIECE 3F, 18500N and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N440400059?
N440400059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-368-1572. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026