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IPD4S8903 — INSERT,ENGINE VALVE SEAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

IPD4S8903: INSERT,ENGINE VALVE SEAT.

The INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.365 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 39.628 NOMINAL, body_inside_diameter: 1.401 INCHES NOMINAL IN, body_outside_diameter: 1.697 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-116-9557, 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
IPD4S8903
NSN: 2815-00-116-9557
FSC: 2815 — Diesel Engines and Components
CAGE: 55883 — INDUSTRIAL PARTS DEPOT, LLC DBA IPD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.365 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg39.628 NOMINAL
body_inside_diameter1.401 INCHES NOMINAL IN
body_outside_diameter1.697 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN2815-00-116-9557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN IPD4S8903 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 1.697 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.401 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 39.628 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.365 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.697 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.401 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG39.628 NOMINAL
SEATING SURFACE SHAPEANGULAR
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is IPD4S8903?
IPD4S8903 is a INSERT,ENGINE VALVE SEAT.
What is the NSN for IPD4S8903?
IPD4S8903 is cataloged in the U.S. Government catalog under NSN 2815-00-116-9557. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.