4908672-1 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4908672-1: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.125 INCHES NOMINAL IN, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID, carbon_groove: NOT INCLUDED, overall_height: 3.470 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-01-021-4287, 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

4908672-1

NSN: 2805-01-021-4287
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 0AHU0 — KALMAR AC INC (USA)

SPECIFICATIONS

diameter	3.125 INCHES NOMINAL IN
head_style	FLAT
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	3.470 INCHES NOMINAL IN
surface_finish	FINISHED
oil_passage_type	SLOT THIRD RING
pin_hole_bushing	NOT INCLUDED
pinhole_diameter	0.8605 INCHES NOMINAL IN
ring_groove_width	0.1880 INCHES NOMINAL FOURTH RING IN
ring_groove_diameter	2.778 INCHES NOMINAL THIRD RING IN
NSN	2805-01-021-4287

COMPONENT DIAGRAM

KEY FEATURES

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.0950 INCHES NOMINAL SECOND RING IN

•

DISTANCE BETWEEN PIN BOSSES: 1.281 INCHES NOMINAL IN

•

RETAINING RING GROOVE: INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.470 INCHES NOMINAL IN
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.0950 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH	0.1880 INCHES NOMINAL FOURTH RING IN
RING GROOVE WIDTH	0.0820 INCHES NOMINAL FIRST RING IN
RING GROOVE WIDTH	0.0950 INCHES NOMINAL THIRD RING IN
DISTANCE BETWEEN PIN BOSSES	1.281 INCHES NOMINAL IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
OIL PASSAGE TYPE	SLOT THIRD RING

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.

2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463

SUBSTITUTES & CROSS-REFERENCES 3

74908672Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

A-1556PReference document

Same NSN cross-reference

Reference document — Secondary reference

F135A040201EReference 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 4908672-1?

4908672-1 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 4908672-1?

There are 3 known substitutes for 4908672-1: 74908672, A-1556P, F135A040201E. Substitute compatibility should be verified for your specific system.

What is the NSN for 4908672-1?

4908672-1 is cataloged in the U.S. Government catalog under NSN 2805-01-021-4287. This indicates validated use in U.S. government and defense supply chains.

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4908672-1 — PISTON,INTERNAL COMBUSTION ENGIN

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