10886403 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

10886403: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 4.125 INCHES NOMINAL IN, material: ALUMINUM, oversize: 0.020 INCHES NOMINAL IN, cut_depth: 0.750 INCHES NOMINAL IN, head_style: DISH, oil_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-825-4565, 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

10886403

NSN: 2805-00-825-4565
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

diameter	4.125 INCHES NOMINAL IN
material	ALUMINUM
oversize	0.020 INCHES NOMINAL IN
cut_depth	0.750 INCHES NOMINAL IN
head_style	DISH
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	3.840 INCHES NOMINAL IN
surface_finish	FINISHED
pin_hole_bushing	NOT INCLUDED
pinhole_diameter	1.0910 INCHES NOMINAL IN
NSN	2805-00-825-4565

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: GASOLINE ENGINE,NONAIRCRAFT

•

CARBON GROOVE: NOT INCLUDED

•

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

•

DISTANCE BETWEEN PIN BOSSES: 1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN

•

RETAINING RING GROOVE: NOT INCLUDED

•

SURFACE FINISH: FINISHED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.840 INCHES NOMINAL IN
FSC APPLICATION DATA	GASOLINE ENGINE,NONAIRCRAFT
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM FIRST RING IN
RING GROOVE WIDTH	0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM SECOND RING IN
DISTANCE BETWEEN PIN BOSSES	1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
RETAINING RING GROOVE	NOT INCLUDED
SURFACE FINISH	FINISHED
SUPPLEMENTARY FEATURES	OIL PASSAGE SLOT
DIAMETER	4.125 INCHES NOMINAL IN

OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

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

2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575

SUBSTITUTES & CROSS-REFERENCES 1

2128342Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 10886403?

10886403 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 10886403?

There is 1 known substitute for 10886403: 2128342. Substitute compatibility should be verified for your specific system.

What is the NSN for 10886403?

10886403 is cataloged in the U.S. Government catalog under NSN 2805-00-825-4565. This indicates validated use in U.S. government and defense supply chains.

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10886403 — PISTON,INTERNAL COMBUSTION ENGIN

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