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417GC25A — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

417GC25A: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include material: STEEL, end_length: 0.325 INCHES NOMINAL IN, slot_depth: 0.095 INCHES NOMINAL IN, slot_width: 0.062 INCHES NOMINAL IN, thread_size: 7/16-20, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-394-2479, 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
417GC25A
NSN: 2815-00-394-2479
FSC: 2815 — Diesel Engines and Components
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL
end_length0.325 INCHES NOMINAL IN
slot_depth0.095 INCHES NOMINAL IN
slot_width0.062 INCHES NOMINAL IN
thread_size7/16-20
thread_class2A A
thread_length1.188 INCHES IN
thread_seriesUNF
overall_length1.692 INCHES NOMINAL IN
style_designatorSPHERICAL HEAD, STRAIGHT THREAD, SLOT DRIVE
thread_directionRIGHT-HAND
smallest_diameter0.312 INCHES NOMINAL IN
NSN2815-00-394-2479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,ADJUSTING,VALVE TAPPET TITLE COMPONENT PN 417GC25A MFR SCREW,ADJUSTING,VALVE
KEY FEATURES
•
END LENGTH: 0.325 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
STYLE DESIGNATOR: SPHERICAL HEAD, STRAIGHT THREAD, SLOT DRIVE
•
END LARGEST DIAMETER: 0.555 INCHES NOMINAL IN
•
THREAD LENGTH: 1.188 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: CASEHARDENED
TECHNICAL CHARACTERISTICS
END LENGTH0.325 INCHES NOMINAL IN
THREAD SERIESUNF
STYLE DESIGNATORSPHERICAL HEAD, STRAIGHT THREAD, SLOT DRIVE
OVERALL LENGTH1.692 INCHES NOMINAL IN
END LARGEST DIAMETER0.555 INCHES NOMINAL IN
THREAD LENGTH1.188 INCHES IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORCASEHARDENED
SLOT DEPTH0.095 INCHES NOMINAL IN
THREAD SIZE7/16-20
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 1
417GC13BP1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 417GC25A?
417GC25A is a SCREW,ADJUSTING,VALVE TAPPET.
What parts can replace 417GC25A?
There is 1 known substitute for 417GC25A: 417GC13BP1. Substitute compatibility should be verified for your specific system.
What is the NSN for 417GC25A?
417GC25A is cataloged in the U.S. Government catalog under NSN 2815-00-394-2479. 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.