2387A2 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2387A2: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 27.000 OUNCES OZ, diameter: 4.125 INCHES NOMINAL IN, material: ALUMINUM, cut_depth: 0.438 INCHES NOMINAL IN, head_style: DISH, oil_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-752-1966, 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

2387A2

NSN: 2805-00-752-1966
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 77060 — GENERAL MOTORS CORP PACKARD ELECTRIC DIV (USA)

SPECIFICATIONS

weight	27.000 OUNCES OZ
diameter	4.125 INCHES NOMINAL IN
material	ALUMINUM
cut_depth	0.438 INCHES NOMINAL IN
head_style	DISH
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	4.125 INCHES NOMINAL IN
surface_finish	FINISHED
oil_passage_type	SLOT LOCATION NOT OTHERWISE SPECIFIED
pin_hole_bushing	NOT INCLUDED
NSN	2805-00-752-1966

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: 1.656 INCHES NOMINAL IN

•

RETAINING RING GROOVE: INCLUDED

•

SURFACE FINISH: FINISHED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.125 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	0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM THIRD RING IN
RING GROOVE WIDTH	0.0970 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM FIRST RING IN
DISTANCE BETWEEN PIN BOSSES	1.656 INCHES NOMINAL IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
RING GROOVE POSITION AND QUANTITY	NUMBER 1,NUMBER 2,NUMBER 3,AND NUMBER 4 PISTON ALL RINGS
OIL PASSAGE TYPE	SLOT LOCATION NOT OTHERWISE SPECIFIED

SUBSTITUTES & CROSS-REFERENCES 2

913531Reference document

Same NSN cross-reference

Reference document — Secondary reference

7521966Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2387A2?

2387A2 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 2387A2?

There are 2 known substitutes for 2387A2: 913531, 7521966. Substitute compatibility should be verified for your specific system.

What is the NSN for 2387A2?

2387A2 is cataloged in the U.S. Government catalog under NSN 2805-00-752-1966. This indicates validated use in U.S. government and defense supply chains.

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2387A2 — PISTON,INTERNAL COMBUSTION ENGIN

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