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T20174 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

T20174: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT, stem_style: GROOVED, head_height: 0.1780 INCHES NOMINAL IN, neck_radius: 0.3750 INCHES NOMINAL IN, stem_length: 4.9820 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-127-9015, 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
T20174
NSN: 2815-00-127-9015
FSC: 2815 — Diesel Engines and Components
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT
stem_styleGROOVED
head_height0.1780 INCHES NOMINAL IN
neck_radius0.3750 INCHES NOMINAL IN
stem_length4.9820 INCHES NOMINAL IN
groove_width0.1000 INCHES NOMINAL IN
stem_diameter0.3720 INCHES NOMINAL IN
groove_diameter0.3280 INCHES NOMINAL IN
outside_diameter1.7720 INCHES NOMINAL IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN2815-00-127-9015
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN T20174 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3720 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1780 INCHES NOMINAL IN
•
STEM LENGTH: 4.9820 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
NECK RADIUS: 0.3750 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.3280 INCHES NOMINAL IN
•
DISTANCE FROM GROOVE TO STEM END: 0.3490 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.7720 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3720 INCHES NOMINAL IN
HEAD HEIGHT0.1780 INCHES NOMINAL IN
STEM LENGTH4.9820 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
NECK RADIUS0.3750 INCHES NOMINAL IN
GROOVE DIAMETER0.3280 INCHES NOMINAL IN
DISTANCE FROM GROOVE TO STEM END0.3490 INCHES NOMINAL IN
OUTSIDE DIAMETER1.7720 INCHES NOMINAL IN
STEM STYLEGROOVED
HEAD STYLEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
36299Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 T20174?
T20174 is a VALVE,POPPET,ENGINE.
What parts can replace T20174?
There is 1 known substitute for T20174: 36299. Substitute compatibility should be verified for your specific system.
What is the NSN for T20174?
T20174 is cataloged in the U.S. Government catalog under NSN 2815-00-127-9015. 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.