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PartsTable / COMPONENT / D15-664APC651
D15-664APC651 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 2.000 INCHES NOMINAL IN, style_designator: THREADED FLANGED, under_flange_height: 0.813 INCHES NOMINAL IN, body_inside_diameter: 1.000 INCHES NOMINAL IN, seating_surface_shape: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-218-6066, 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
D15-664APC651
NSN: 4810-00-218-6066
FSC: 4810
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter2.000 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
under_flange_height0.813 INCHES NOMINAL IN
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.250 INCHES NOMINAL IN
NSN4810-00-218-6066
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D15-664APC651 · 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
•
UNDER FLANGE HEIGHT: 0.813 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
•
FLANGE DIAMETER: 2.000 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
UNDER FLANGE HEIGHT0.813 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEANGULAR
FLANGE DIAMETER2.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
55018905Interchangeable
interchangeable cross-reference
interchangeable
202-29009-1Interchangeable
interchangeable cross-reference
interchangeable
9-902Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-357-6181Interchangeable
interchangeable cross-reference
interchangeable
881982Interchangeable
interchangeable cross-reference
interchangeable
1201Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-664APC651?
D15-664APC651 is a SEAT,VALVE.
What parts can replace D15-664APC651?
There are 21 known substitutes for D15-664APC651: 55018905, 202-29009-1, 9-902 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-664APC651?
D15-664APC651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-218-6066. 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