PartsTable
Technical Data Sheet
Download PDF

4389645-5 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4389645-5: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, adjustability: NONADJUSTABLE, overall_length: 2.657 INCHES NOMINAL IN, cam_end_diameter: 1.249 INCHES NOMINAL IN, operation_method: HYDRAULIC, size_designation: STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-367-3690, 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
4389645-5
NSN: 2815-00-367-3690
FSC: 2815 — Diesel Engines and Components
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
adjustabilityNONADJUSTABLE
overall_length2.657 INCHES NOMINAL IN
cam_end_diameter1.249 INCHES NOMINAL IN
operation_methodHYDRAULIC
size_designationSTANDARD
style_designatorCOUNTERBORED PUSH ROD END
counterbore_depth2.062 INCHES NOMINAL IN
body_hole_diameter0.188 INCHES NOMINAL IN
counterbore_diameter1.078 INCHES NOMINAL IN
casehardened_locationOVERALL
concentric_hole_depth2.125 INCHES NOMINAL IN
NSN2815-00-367-3690
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN 4389645-5 MFR TAPPET,ENGINE POPPET V
KEY FEATURES
•
CAM END DIAMETER: 1.249 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 2.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: COUNTERBORED PUSH ROD END
•
COUNTERBORE DEPTH: 2.062 INCHES NOMINAL IN
•
ADJUSTABILITY: NONADJUSTABLE
•
COUNTERBORE DIAMETER: 1.078 INCHES NOMINAL IN
•
SIZE DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS
CAM END DIAMETER1.249 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH2.125 INCHES NOMINAL IN
STYLE DESIGNATORCOUNTERBORED PUSH ROD END
OVERALL LENGTH2.657 INCHES NOMINAL IN
COUNTERBORE DEPTH2.062 INCHES NOMINAL IN
ADJUSTABILITYNONADJUSTABLE
COUNTERBORE DIAMETER1.078 INCHES NOMINAL IN
SIZE DESIGNATIONSTANDARD
CASEHARDENING INDICATORCASEHARDENED
DISTANCE FROM BODY HOLE CENTER TO CAM END0.576 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
4369645Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1877-2082Reference document
Same NSN cross-reference
Reference document — Secondary reference
4360955Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 4389645-5?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4389645-5?
4389645-5 is a TAPPET,ENGINE POPPET VALVE.
What parts can replace 4389645-5?
There are 3 known substitutes for 4389645-5: 4369645, 1877-2082, 4360955. Substitute compatibility should be verified for your specific system.
What is the NSN for 4389645-5?
4389645-5 is cataloged in the U.S. Government catalog under NSN 2815-00-367-3690. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4389645-5

✓ 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.