5Y7037 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

5Y7037: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 4.000 INCHES NOMINAL IN, material: ALUMINUM, oversize: 0.020 INCHES NOMINAL IN, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-700-5463, 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

5Y7037

NSN: 2805-00-700-5463
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)

SPECIFICATIONS

diameter	4.000 INCHES NOMINAL IN
material	ALUMINUM
oversize	0.020 INCHES NOMINAL IN
head_style	FLAT
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	4.188 INCHES NOMINAL IN
surface_finish	FINISHED
pin_hole_bushing	NOT INCLUDED
pinhole_diameter	0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
ring_groove_width	0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM THIRD RING IN
NSN	2805-00-700-5463

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: GASOLINE ENGINE,NONAIRCRAFT

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM SECOND RING IN

•

DISTANCE BETWEEN PIN BOSSES: 1.062 INCHES NOMINAL IN

•

RETAINING RING GROOVE: INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.188 INCHES NOMINAL IN
FSC APPLICATION DATA	GASOLINE ENGINE,NONAIRCRAFT
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM SECOND RING IN
RING GROOVE WIDTH	0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM THIRD RING IN
RING GROOVE WIDTH	0.1265 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM FIRST RING IN
DISTANCE BETWEEN PIN BOSSES	1.062 INCHES NOMINAL IN
RETAINING RING GROOVE	INCLUDED
SURFACE FINISH	FINISHED
SUPPLEMENTARY FEATURES	OIL PASSAGE HOLE

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 5

670093Reference document

Same NSN cross-reference

Reference document — Secondary reference

SY7037Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

7005463Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

42099CS020Reference document

Same NSN cross-reference

Reference document — Secondary reference

409565Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· 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 5Y7037?

5Y7037 is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 5Y7037?

There are 5 known substitutes for 5Y7037: 670093, SY7037, 7005463 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 5Y7037?

5Y7037 is cataloged in the U.S. Government catalog under NSN 2805-00-700-5463. This indicates validated use in U.S. government and defense supply chains.

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5Y7037 — PISTON,INTERNAL COMBUSTION ENGIN

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