5ADHNS — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

5ADHNS: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 250.0 OUNCES OZ, diameter: 5.250 INCHES NOMINAL IN, material: IRON CAST, head_style: CONCAVE, oil_groove: NOT INCLUDED, skirt_type: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-863-5950, 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

5ADHNS

NSN: 2815-00-863-5950
FSC: 2815 — Diesel Engines and Components
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)

SPECIFICATIONS

weight	250.0 OUNCES OZ
diameter	5.250 INCHES NOMINAL IN
material	IRON CAST
head_style	CONCAVE
oil_groove	NOT INCLUDED
skirt_type	SOLID
carbon_groove	NOT INCLUDED
overall_height	8.400 INCHES NOMINAL IN
surface_finish	FINISHED
pin_hole_bushing	INCLUDED
pinhole_diameter	2.0000 INCHES NOMINAL IN
unable_to_decode	UNABLE TO DECODE
NSN	2815-00-863-5950

COMPONENT DIAGRAM

KEY FEATURES

•

CARBON GROOVE: NOT INCLUDED

•

RING GROOVE WIDTH: 0.1875 INCHES NOMINAL FOURTH RING IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	8.400 INCHES NOMINAL IN
CARBON GROOVE	NOT INCLUDED
RING GROOVE WIDTH	0.1875 INCHES NOMINAL FOURTH RING IN
RING GROOVE WIDTH	0.1875 INCHES NOMINAL FIFTH RING IN
RING GROOVE WIDTH	0.2500 INCHES NOMINAL THIRD RING IN
RING GROOVE WIDTH	0.2550 INCHES NOMINAL SECOND RING IN
RING GROOVE WIDTH	0.2550 INCHES NOMINAL SIXTH RING IN
RING GROOVE WIDTH	0.2570 INCHES NOMINAL FIRST RING IN
RETAINING RING GROOVE	NOT INCLUDED
SURFACE FINISH	FINISHED

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

5ADH-M-CReference document

Same NSN cross-reference

Reference document — Secondary reference

P5ADHNSNSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 5ADHNS?

5ADHNS is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 5ADHNS?

There are 2 known substitutes for 5ADHNS: 5ADH-M-C, P5ADHNSN. Substitute compatibility should be verified for your specific system.

What is the NSN for 5ADHNS?

5ADHNS is cataloged in the U.S. Government catalog under NSN 2815-00-863-5950. This indicates validated use in U.S. government and defense supply chains.

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