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345015R1 ✓ 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: 0.300 INCHES NOMINAL IN, style_designator: PLAIN, surface_treatment: NICKEL OVERALL, body_inside_diameter: 1.688 INCHES NOMINAL IN, body_outside_diameter: 2.047 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 2815-00-891-0323, 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
345015R1
NSN: 2815-00-891-0323
FSC: 2815
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.300 INCHES NOMINAL IN
style_designatorPLAIN
surface_treatmentNICKEL OVERALL
body_inside_diameter1.688 INCHES NOMINAL IN
body_outside_diameter2.047 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN2815-00-891-0323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN 345015R1 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
SEATING SURFACE SHAPE: FLAT
•
SURFACE TREATMENT: NICKEL OVERALL
•
BODY INSIDE DIAMETER: 1.688 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.047 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
OVERALL HEIGHT0.300 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
BODY INSIDE DIAMETER1.688 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.047 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31850Interchangeable
interchangeable cross-reference
interchangeable
A6212TSInterchangeable
interchangeable cross-reference
interchangeable
2503ROLE6212BInterchangeable
interchangeable cross-reference
interchangeable
418-00014Interchangeable
interchangeable cross-reference
interchangeable
218-50AInterchangeable
interchangeable cross-reference
interchangeable
MDC1255-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 345015R1?
345015R1 is a INSERT,ENGINE VALVE SEAT.
What parts can replace 345015R1?
There are 9 known substitutes for 345015R1: 31850, A6212TS, 2503ROLE6212B and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 345015R1?
345015R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-891-0323. 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