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PartsTable / COMPONENT / D15-661EPC88
D15-661EPC88 ✓ 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, style_designator: PLAIN FLANGED, under_flange_height: 0.375 INCHES NOMINAL IN, body_inside_diameter: 0.562 INCHES NOMINAL IN, flange_seat_to_disk_end_height: 0.312 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 4810-00-175-8834, 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
D15-661EPC88
NSN: 4810-00-175-8834
FSC: 4810
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
style_designatorPLAIN FLANGED
under_flange_height0.375 INCHES NOMINAL IN
body_inside_diameter0.562 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.312 INCHES NOMINAL IN
NSN4810-00-175-8834
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D15-661EPC88 · 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 OVERALL
•
FLANGE SEAT TO DISK END HEIGHT: 0.312 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
FLANGE SEAT TO DISK END HEIGHT0.312 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MT589AARN12Interchangeable
interchangeable cross-reference
interchangeable
13910-2Interchangeable
interchangeable cross-reference
interchangeable
116137Interchangeable
interchangeable cross-reference
interchangeable
9915Interchangeable
interchangeable cross-reference
interchangeable
93456-40Interchangeable
interchangeable cross-reference
interchangeable
A10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-661EPC88?
D15-661EPC88 is a SEAT,VALVE.
What parts can replace D15-661EPC88?
There are 14 known substitutes for D15-661EPC88: MT589AARN12, 13910-2, 116137 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-661EPC88?
D15-661EPC88 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-175-8834. 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