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3A-2578-X — PIN,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3A-2578-X: PIN,PISTON.

The PIN,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: PLAIN ENDS, bore_depth: 0.500 INCHES NOMINAL IN, bore_style: SOLID CENTER, body_length: 7.6250 INCHES NOMINAL IN, bore_diameter: 1.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-377-2804, 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
3A-2578-X
NSN: 2815-00-377-2804
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN ENDS
bore_depth0.500 INCHES NOMINAL IN
bore_styleSOLID CENTER
body_length7.6250 INCHES NOMINAL IN
bore_diameter1.5000 INCHES NOMINAL IN
outside_diameter3.26560 INCHES NOMINAL IN
first_hole_diameter0.188 INCHES NOMINAL IN
second_hole_diameter0.188 INCHES NOMINAL IN
hole_arrangement_styleTWO HOLES THRU PIN
casehardening_indicatorNOT CASEHARDENED
center_to_center_distance_between_holes2.3675 INCHES NOMINAL IN
NSN2815-00-377-2804
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN 3A-2578-X MFR PIN,PISTON
KEY FEATURES
•
BODY STYLE: PLAIN ENDS
•
HOLE ARRANGEMENT STYLE: TWO HOLES THRU PIN
•
BORE STYLE: SOLID CENTER
•
FIRST HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.26560 INCHES NOMINAL IN
•
BORE DEPTH: 0.500 INCHES NOMINAL IN
•
SECOND HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
BODY LENGTH: 7.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY STYLEPLAIN ENDS
HOLE ARRANGEMENT STYLETWO HOLES THRU PIN
BORE STYLESOLID CENTER
FIRST HOLE DIAMETER0.188 INCHES NOMINAL IN
OUTSIDE DIAMETER3.26560 INCHES NOMINAL IN
BORE DEPTH0.500 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.188 INCHES NOMINAL IN
BODY LENGTH7.6250 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES2.3675 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
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

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 3A-2578-X?
3A-2578-X is a PIN,PISTON.
What is the NSN for 3A-2578-X?
3A-2578-X is cataloged in the U.S. Government catalog under NSN 2815-00-377-2804. 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.