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F66 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

F66: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flats_length: 0.219 INCHES NOMINAL IN, adjustability: ADJUSTABLE, cam_end_height: 0.095 INCHES NOMINAL IN, overall_length: 3.113 INCHES NOMINAL IN, adjusting_device: INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-339-5598, 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
F66
NSN: 2805-00-339-5598
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flats_length0.219 INCHES NOMINAL IN
adjustabilityADJUSTABLE
cam_end_height0.095 INCHES NOMINAL IN
overall_length3.113 INCHES NOMINAL IN
adjusting_deviceINCLUDED
cam_end_diameter0.992 INCHES NOMINAL IN
operation_methodMECHANICAL
size_designationSTANDARD
special_featuresSECOND GROOVE ON ITEM0.125 IN. W,0.593 IN. DIA,1.375 IN. C TO C FROM 1ST GROOVE IN
style_designatorINTERNAL THREAD AND WRENCHING FLATS PUSH ROD END
body_groove_width0.125 INCHES NOMINAL IN
NSN2805-00-339-5598
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN F66 MFR TAPPET,ENGINE POPPET V
KEY FEATURES
•
CAM END DIAMETER: 0.992 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.492 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 2.812 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.624 INCHES NOMINAL IN
•
BODY GROOVE WIDTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL THREAD AND WRENCHING FLATS PUSH ROD END
•
DISTANCE FROM BODY GROOVE CENTER TO CAM END: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CAM END DIAMETER0.992 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.492 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH2.812 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.624 INCHES NOMINAL IN
BODY GROOVE WIDTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL THREAD AND WRENCHING FLATS PUSH ROD END
OVERALL LENGTH3.113 INCHES NOMINAL IN
DISTANCE FROM BODY GROOVE CENTER TO CAM END0.625 INCHES NOMINAL IN
FLATS LENGTH0.219 INCHES NOMINAL IN
ADJUSTABILITYADJUSTABLE
SUBSTITUTES & CROSS-REFERENCES 6
15700Reference document
Same NSN cross-reference
Reference document — Secondary reference
1DF66Reference document
Same NSN cross-reference
Reference document — Secondary reference
F66MReference document
Same NSN cross-reference
Reference document — Secondary reference
CFR40882Reference document
Same NSN cross-reference
Reference document — Secondary reference
18553Reference document
Same NSN cross-reference
Reference document — Secondary reference
JHP33-38Reference 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
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FREQUENTLY ASKED QUESTIONS
What is F66?
F66 is a TAPPET,ENGINE POPPET VALVE.
What parts can replace F66?
There are 6 known substitutes for F66: 15700, 1DF66, F66M and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F66?
F66 is cataloged in the U.S. Government catalog under NSN 2805-00-339-5598. 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.