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H9455 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.156 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 0.469 INCHES NOMINAL IN, body_outside_diameter: 0.559 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN, seating_surface_shape: FLAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-511-2248, 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
H9455
NSN: 2815-00-511-2248
FSC: 2815
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.156 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter0.469 INCHES NOMINAL IN
body_outside_diameter0.559 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN2815-00-511-2248
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN H9455 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
SEATING SURFACE SHAPE: FLAT
•
BODY OUTSIDE DIAMETER: 0.559 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
BODY OUTSIDE DIAMETER0.559 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.469 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIALSTEEL OVERALL
OVERALL HEIGHT0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
945-5Interchangeable
interchangeable cross-reference
interchangeable
74797297-1Interchangeable
interchangeable cross-reference
interchangeable
T-9455Interchangeable
interchangeable cross-reference
interchangeable
D2642Interchangeable
interchangeable cross-reference
interchangeable
16458Interchangeable
interchangeable cross-reference
interchangeable
AA52155-2-P-46-A-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H9455?
H9455 is a INSERT,ENGINE VALVE SEAT.
What parts can replace H9455?
There are 7 known substitutes for H9455: 945-5, 74797297-1, T-9455 and 4 more. Substitute compatibility should be verified for your specific system.
Is H9455 still available?
H9455 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026