112-103F — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

112-103F: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY, oversize: 0.010 INCHES NOMINAL IN, cut_depth: 1.000 INCHES NOMINAL IN, head_style: FLAT, oil_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-933-0797, 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

112-103F

NSN: 2815-00-933-0797
FSC: 2815 — Diesel Engines and Components
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)

SPECIFICATIONS

diameter	3.250 INCHES NOMINAL IN
material	ALUMINUM ALLOY
oversize	0.010 INCHES NOMINAL IN
cut_depth	1.000 INCHES NOMINAL IN
head_style	FLAT
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	3.875 INCHES NOMINAL IN
surface_finish	FINISHED
oil_passage_type	HOLE FOURTH RING
pin_hole_bushing	NOT INCLUDED
NSN	2815-00-933-0797

COMPONENT DIAGRAM

KEY FEATURES

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM SECOND RING IN

•

DISTANCE BETWEEN PIN BOSSES: 0.750 INCHES NOMINAL IN

•

RETAINING RING GROOVE: INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.875 INCHES NOMINAL IN
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM SECOND RING IN
RING GROOVE WIDTH	0.0970 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM FIRST RING IN
RING GROOVE WIDTH	0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM THIRD RING IN
RING GROOVE WIDTH	0.1875 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM FOURTH RING IN
DISTANCE BETWEEN PIN BOSSES	0.750 INCHES NOMINAL IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
OIL PASSAGE TYPE	HOLE FOURTH RING

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308

SUBSTITUTES & CROSS-REFERENCES 1

112-0103-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 112-103F?

112-103F is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 112-103F?

There is 1 known substitute for 112-103F: 112-0103-10. Substitute compatibility should be verified for your specific system.

What is the NSN for 112-103F?

112-103F is cataloged in the U.S. Government catalog under NSN 2815-00-933-0797. This indicates validated use in U.S. government and defense supply chains.

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112-103F — PISTON,INTERNAL COMBUSTION ENGIN

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