291165AS — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

291165AS: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 39.0 OUNCES OZ, diameter: 3.738 INCHES NOMINAL IN, material: ALUMINUM ALLOY, cut_depth: 0.480 INCHES NOMINAL IN, head_style: CAVITY, oil_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-069-9190, 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

291165AS

NSN: 2815-00-069-9190
FSC: 2815 — Diesel Engines and Components
CAGE: 28265 — HERCULES ENGINE CO INC (USA)

SPECIFICATIONS

weight	39.0 OUNCES OZ
diameter	3.738 INCHES NOMINAL IN
material	ALUMINUM ALLOY
cut_depth	0.480 INCHES NOMINAL IN
head_style	CAVITY
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	4.269 INCHES NOMINAL IN
surface_finish	FINISHED
oil_passage_type	HOLE LOCATION NOT OTHERWISE SPECIFIED
pin_hole_bushing	NOT INCLUDED
NSN	2815-00-069-9190

COMPONENT DIAGRAM

KEY FEATURES

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.1000 INCHES NOMINAL SECOND RING IN

•

DISTANCE BETWEEN PIN BOSSES: 1.562 INCHES MINIMUM AND 2.053 INCHES MAXIMUM IN

•

RETAINING RING GROOVE: INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.269 INCHES NOMINAL IN
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.1000 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH	0.1000 INCHES NOMINAL THIRD RING IN
RING GROOVE WIDTH	0.1100 INCHES NOMINAL FIRST RING IN
RING GROOVE WIDTH	0.1920 INCHES NOMINAL FOURTH RING IN
DISTANCE BETWEEN PIN BOSSES	1.562 INCHES MINIMUM AND 2.053 INCHES MAXIMUM IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
OIL PASSAGE TYPE	HOLE LOCATION NOT OTHERWISE SPECIFIED

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

291165Reference 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 291165AS?

291165AS is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 291165AS?

There is 1 known substitute for 291165AS: 291165. Substitute compatibility should be verified for your specific system.

What is the NSN for 291165AS?

291165AS is cataloged in the U.S. Government catalog under NSN 2815-00-069-9190. This indicates validated use in U.S. government and defense supply chains.

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291165AS — PISTON,INTERNAL COMBUSTION ENGIN

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