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PartsTable / COMPONENT / 151554R1
151554R1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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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: 0.312 INCHES NOMINAL IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN, seat_angle_in_deg: 45.000 NOMINAL, surface_treatment: NICKEL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-922-0296, 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
151554R1
NSN: 2805-00-922-0296
FSC: 2805
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.312 INCHES NOMINAL IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
seat_angle_in_deg45.000 NOMINAL
surface_treatmentNICKEL OVERALL
body_inside_diameter1.250 INCHES NOMINAL IN
body_outside_diameter1.484 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN2805-00-922-0296
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN 151554R1 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: PLAIN
•
SURFACE TREATMENT: NICKEL OVERALL
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
•
BODY OUTSIDE DIAMETER: 1.484 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OVERALL HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
SURFACE TREATMENTNICKEL OVERALL
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPEANGULAR
BODY OUTSIDE DIAMETER1.484 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.000 NOMINAL
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
3535Interchangeable
interchangeable cross-reference
interchangeable
2824-8Interchangeable
interchangeable cross-reference
interchangeable
PC3535Interchangeable
interchangeable cross-reference
interchangeable
30680-01Interchangeable
interchangeable cross-reference
interchangeable
30680Interchangeable
interchangeable cross-reference
interchangeable
3B4177Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 151554R1?
151554R1 is a INSERT,ENGINE VALVE SEAT.
What parts can replace 151554R1?
There are 11 known substitutes for 151554R1: 3535, 2824-8, PC3535 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 151554R1?
151554R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-922-0296. 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