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7034878 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7034878: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3140 STEM, head_style: FLAT, stem_style: DRILLED, head_height: 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN, neck_radius: 0.1875 INCHES NOMINAL IN, stem_length: 2.6870 INCHES MINIMUM AND 2.7070 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-288-3853, 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
7034878
NSN: 2805-00-288-3853
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 STEM
head_styleFLAT
stem_styleDRILLED
head_height0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
neck_radius0.1875 INCHES NOMINAL IN
stem_length2.6870 INCHES MINIMUM AND 2.7070 INCHES MAXIMUM IN
hole_diameter0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN
stem_diameter0.2375 INCHES MINIMUM AND 0.2575 INCHES MAXIMUM IN
chamfer_length0.0460 INCHES NOMINAL IN
outside_diameter0.8330 INCHES MINIMUM AND 0.8530 INCHES MAXIMUM IN
seat_angle_in_deg45.0
carbon_relief_grooveINCLUDED
NSN2805-00-288-3853
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 7034878 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO STEM END: 0.1460 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN
•
STEM DIAMETER: 0.2375 INCHES MINIMUM AND 0.2575 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
HEAD HEIGHT: 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
•
STEM LENGTH: 2.6870 INCHES MINIMUM AND 2.7070 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0460 INCHES NOMINAL IN
•
NECK RADIUS: 0.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO STEM END0.1460 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN
STEM DIAMETER0.2375 INCHES MINIMUM AND 0.2575 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE
HEAD HEIGHT0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
STEM LENGTH2.6870 INCHES MINIMUM AND 2.7070 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0460 INCHES NOMINAL IN
NECK RADIUS0.1875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE STEM
OUTSIDE DIAMETER0.8330 INCHES MINIMUM AND 0.8530 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7034878?
7034878 is a VALVE,POPPET,ENGINE.
What is the NSN for 7034878?
7034878 is cataloged in the U.S. Government catalog under NSN 2805-00-288-3853. 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.