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3256558 — PIN,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3256558: PIN,PISTON.

The PIN,PISTON is a the manufacturer industrial component. Key specifications include radius: 0.031 INCHES NOMINAL IN, material: STEEL COMP 3115, body_style: RADII ENDS, bore_style: INSIDE RADII STRAIGHT-THRU BORE, body_length: 3.8700 INCHES MINIMUM AND 3.8800 INCHES MAXIMUM IN, bore_radius: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-528-6327, 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
3256558
NSN: 2815-00-528-6327
FSC: 2815 — Diesel Engines and Components
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
radius0.031 INCHES NOMINAL IN
materialSTEEL COMP 3115
body_styleRADII ENDS
bore_styleINSIDE RADII STRAIGHT-THRU BORE
body_length3.8700 INCHES MINIMUM AND 3.8800 INCHES MAXIMUM IN
bore_radius0.031 INCHES NOMINAL IN
bore_diameter1.1875 INCHES NOMINAL IN
outside_diameter1.87390 INCHES MINIMUM AND 1.87410 INCHES MAXIMUM IN
casehardening_indicatorCASEHARDENED
metallic_hardness_rating58.0 MINIMUM ROCKWELL C
material_document_and_classificationSAE 3310 ASSN STD SINGLE MATERIAL RESPONSE
NSN2815-00-528-6327
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN 3256558 MFR PIN,PISTON
KEY FEATURES
•
BODY STYLE: RADII ENDS
•
RADIUS: 0.031 INCHES NOMINAL IN
•
BORE STYLE: INSIDE RADII STRAIGHT-THRU BORE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 3310 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 1.87390 INCHES MINIMUM AND 1.87410 INCHES MAXIMUM IN
•
BODY LENGTH: 3.8700 INCHES MINIMUM AND 3.8800 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
BORE DIAMETER: 1.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY STYLERADII ENDS
RADIUS0.031 INCHES NOMINAL IN
BORE STYLEINSIDE RADII STRAIGHT-THRU BORE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 3310 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER1.87390 INCHES MINIMUM AND 1.87410 INCHES MAXIMUM IN
BODY LENGTH3.8700 INCHES MINIMUM AND 3.8800 INCHES MAXIMUM IN
CASEHARDENING INDICATORCASEHARDENED
BORE DIAMETER1.1875 INCHES NOMINAL IN
MATERIALSTEEL COMP 3115
METALLIC HARDNESS RATING58.0 MINIMUM ROCKWELL C
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 3256558?
3256558 is a PIN,PISTON.
What is the NSN for 3256558?
3256558 is cataloged in the U.S. Government catalog under NSN 2815-00-528-6327. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.