142X1040-1 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

142X1040-1: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 44.0 OUNCES OZ, diameter: 10.477 INCHES MINIMUM AND 10.477 INCHES MINIMUM AND 10.480 INCHES MAXIMUM10.480 INCHES MAXIMUM IN, material: ALUMINUM AND STEEL, head_style: FLATFLAT, skirt_type: SOLIDSOLID, overall_height: 17.375 INCHES NOMINAL17.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-032-4986, 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

142X1040-1

NSN: 2815-01-032-4986
FSC: 2815 — Diesel Engines and Components
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

weight	44.0 OUNCES OZ
diameter	10.477 INCHES MINIMUM AND 10.477 INCHES MINIMUM AND 10.480 INCHES MAXIMUM10.480 INCHES MAXIMUM IN
material	ALUMINUM AND STEEL
head_style	FLATFLAT
skirt_type	SOLIDSOLID
overall_height	17.375 INCHES NOMINAL17.375 INCHES NOMINAL IN
surface_finish	FINISHEDFINISHED
ring_groove_width	0.1875 INCHES NOMINAL FIRST RING IN
ring_groove_diameter	9.5770 INCHES NOMINAL FOURTH RING IN
ring_groove_quantity	66
retaining_ring_groove	INCLUDED
finished_size_designation	STANDARDSTANDARD
NSN	2815-01-032-4986

COMPONENT DIAGRAM

KEY FEATURES

•

RING GROOVE WIDTH: 0.1875 INCHES NOMINAL FOURTH RING IN

•

RETAINING RING GROOVE: INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	17.375 INCHES NOMINAL17.375 INCHES NOMINAL IN
RING GROOVE WIDTH	0.1875 INCHES NOMINAL FOURTH RING IN
RING GROOVE WIDTH	0.1875 INCHES NOMINAL THIRD RING IN
RING GROOVE WIDTH	0.1875 INCHES NOMINAL FIRST RING IN
RING GROOVE WIDTH	0.1875 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH	0.3125 INCHES NOMINAL FIFTH RING IN
RING GROOVE WIDTH	0.3125 INCHES NOMINAL SIXTH RING IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHEDFINISHED
DIAMETER	10.477 INCHES MINIMUM AND 10.477 INCHES MINIMUM AND 10.480 INCHES MAXIMUM10.480 INCHES MAXIMUM IN

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 2

142X1040-2Reference document

Same NSN cross-reference

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

142X1050Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 142X1040-1?

142X1040-1 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 142X1040-1?

There are 2 known substitutes for 142X1040-1: 142X1040-2, 142X1050. Substitute compatibility should be verified for your specific system.

What is the NSN for 142X1040-1?

142X1040-1 is cataloged in the U.S. Government catalog under NSN 2815-01-032-4986. This indicates validated use in U.S. government and defense supply chains.

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142X1040-1 — PISTON,INTERNAL COMBUSTION ENGIN

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