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N63651 ✓ 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 PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, valve_design_control_activity: 35795, valve_size_for_which_designed: 2.500 INCHES IN, valve_type_for_which_designed: PRESSURE REDUCING, valve_model_number_for_which_designed: QCLNS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-147-7937, 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
N63651
NSN: 4820-01-147-7937
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
valve_design_control_activity35795
valve_size_for_which_designed2.500 INCHES IN
valve_type_for_which_designedPRESSURE REDUCING
valve_model_number_for_which_designedQCLNS
NSN4820-01-147-7937
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N63651 · 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
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
•
VALVE TYPE FOR WHICH DESIGNED: PRESSURE REDUCING
•
VALVE DESIGN CONTROL ACTIVITY: 35795
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: QCLNS
•
VALVE SIZE FOR WHICH DESIGNED: 2.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
VALVE TYPE FOR WHICH DESIGNEDPRESSURE REDUCING
VALVE DESIGN CONTROL ACTIVITY35795
VALVE MODEL NUMBER FOR WHICH DESIGNEDQCLNS
VALVE SIZE FOR WHICH DESIGNED2.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
6365-1Interchangeable
interchangeable cross-reference
interchangeable
25460NInterchangeable
interchangeable cross-reference
interchangeable
N63645Interchangeable
interchangeable cross-reference
interchangeable
25654N PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
63645Interchangeable
interchangeable cross-reference
interchangeable
25654NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N63651?
N63651 is a PISTON,VALVE.
What parts can replace N63651?
There are 24 known substitutes for N63651: 6365-1, 25460N, N63645 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N63651?
N63651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-147-7937. 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