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292109 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

292109: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL COMP 630 OVERALL, shank_length: 0.950 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.582 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, shank_diameter: 0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-248-3787, 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
292109
NSN: 2815-00-248-3787
NIINs: 002483787, 003752884, 014457646
FSC: 2815 — Diesel Engines and Components
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
shank_length0.950 INCHES NOMINAL IN
thread_class2A A
thread_length0.582 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
shank_diameter0.207 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
first_end_styleSQUARE
second_end_styleCHAMFERED
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
first_end_locationTHREADED END
NSN2815-00-248-3787
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 292109 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
CARBON GROOVE: NOT INCLUDED
•
RING GROOVE WIDTH: 0.1000 INCHES NOMINAL SECOND RING IN
•
DISTANCE BETWEEN PIN BOSSES: 1.682 INCHES NOMINAL IN
•
RETAINING RING GROOVE: INCLUDED
•
SURFACE FINISH: FINISHED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.855 INCHES NOMINAL IN
CARBON GROOVENOT INCLUDED
RING GROOVE WIDTH0.1000 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH0.1050 INCHES NOMINAL FIRST RING IN
RING GROOVE WIDTH0.1920 INCHES NOMINAL THIRD RING IN
DISTANCE BETWEEN PIN BOSSES1.682 INCHES NOMINAL IN
RETAINING RING GROOVEINCLUDED
SURFACE FINISHFINISHED
OIL PASSAGE TYPEHOLE LOCATION NOT OTHERWISE SPECIFIED
DIAMETER4.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
292109ASReference document
Same NSN cross-reference
Reference document — Secondary reference
7320455Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 292109?
292109 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 292109?
There are 2 known substitutes for 292109: 292109AS, 7320455. Substitute compatibility should be verified for your specific system.
What is the NSN for 292109?
292109 is cataloged in the U.S. Government catalog under NSN 2815-00-248-3787. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.