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PartsTable / COMPONENT / S-2568-1
S-2568-1 ✓ 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: COBALT COMP 3 OVERALL, overall_height: 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN, body_inside_diameter: 2.870 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN, body_outside_diameter: 3.253 INCHES MINIMUM AND 3.254 INCHES MAXIMUM 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 2815-00-091-8035, 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
S-2568-1
NSN: 2815-00-091-8035
FSC: 2815
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialCOBALT COMP 3 OVERALL
overall_height0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
body_inside_diameter2.870 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN
body_outside_diameter3.253 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN2815-00-091-8035
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN S-2568-1 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 1.253 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
HARDNESS RATING: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: COBALT COMP 3 OVERALL
•
BODY INSIDE DIAMETER: 0.995 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.253 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPEFLAT
MATERIALCOBALT COMP 3 OVERALL
OVERALL HEIGHT0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.995 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
118680Interchangeable
interchangeable cross-reference
interchangeable
S-2568-1Interchangeable
interchangeable cross-reference
interchangeable
118679Interchangeable
interchangeable cross-reference
interchangeable
118 79Interchangeable
interchangeable cross-reference
interchangeable
257BInterchangeable
interchangeable cross-reference
interchangeable
32356Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-2568-1?
S-2568-1 is a INSERT,ENGINE VALVE SEAT.
What parts can replace S-2568-1?
There are 10 known substitutes for S-2568-1: 118680, S-2568-1, 118679 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-2568-1?
S-2568-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-091-8035. 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