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N63559 ✓ 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: PLASTIC VINYL, design_type: FRICTION, opening_inside_diameter_for_which_designed: 0.875 INCHES NOMINAL 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 4820-01-158-9190, 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
N63559
NSN: 4820-01-158-9190
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC VINYL
design_typeFRICTION
opening_inside_diameter_for_which_designed0.875 INCHES NOMINAL IN
NSN4820-01-158-9190
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N63559 · 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 5
3277996Interchangeable
interchangeable cross-reference
interchangeable
LB63559Interchangeable
interchangeable cross-reference
interchangeable
LH63611PC1-4Interchangeable
interchangeable cross-reference
interchangeable
63-559Interchangeable
interchangeable cross-reference
interchangeable
B63-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N63559?
N63559 is a DISK,VALVE.
What parts can replace N63559?
There are 5 known substitutes for N63559: 3277996, LB63559, LH63611PC1-4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N63559?
N63559 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-158-9190. 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