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313879 ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.900 INCHES NOMINAL IN, material: ALUMINUM ALLOY, overall_height: 4.187 INCHES NOMINAL IN, pinhole_diameter: 1.2500 INCHES NOMINAL IN, ring_groove_width: 0.1875 INCHES NOMINAL FOURTH RING IN, distance_from_pin_hole_center_to_extreme_top: 2.125 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 2815-00-716-4416, 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
313879
NSN: 2815-00-716-4416
FSC: 2815
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
diameter3.900 INCHES NOMINAL IN
materialALUMINUM ALLOY
overall_height4.187 INCHES NOMINAL IN
pinhole_diameter1.2500 INCHES NOMINAL IN
ring_groove_width0.1875 INCHES NOMINAL FOURTH RING IN
ring_groove_quantity5
distance_from_pin_hole_center_to_extreme_top2.125 INCHES NOMINAL IN
NSN2815-00-716-4416
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 313879 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
RING GROOVE WIDTH: 0.0937 INCHES NOMINAL SECOND RING IN
•
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP: 2.125 INCHES NOMINAL IN
•
PIN: INCLUDED
•
PINHOLE DIAMETER: 1.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RING GROOVE WIDTH0.0937 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH0.1875 INCHES NOMINAL FIFTH RING IN
RING GROOVE WIDTH0.0937 INCHES NOMINAL THIRD RING IN
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP2.125 INCHES NOMINAL IN
PININCLUDED
RING GROOVE WIDTH0.1875 INCHES NOMINAL FOURTH RING IN
RING GROOVE WIDTH0.0937 INCHES NOMINAL FIRST RING IN
PINHOLE DIAMETER1.2500 INCHES NOMINAL IN
OVERALL HEIGHT4.187 INCHES NOMINAL IN
RING GROOVE QUANTITY5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
TH0R6108Interchangeable
interchangeable cross-reference
interchangeable
6108Interchangeable
interchangeable cross-reference
interchangeable
MILT780BAMEND1Interchangeable
interchangeable cross-reference
interchangeable
061085Interchangeable
interchangeable cross-reference
interchangeable
52658Interchangeable
interchangeable cross-reference
interchangeable
703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 313879?
313879 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 313879?
There are 13 known substitutes for 313879: TH0R6108, 6108, MILT780BAMEND1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 313879?
313879 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-716-4416. 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