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Technical Data Sheet
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109274 — VALVE,POPPET,ENGINE

✓ Government record, cited
Hama · COMPONENT
PRODUCT OVERVIEW

109274: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a Hama industrial component. Key specifications include general_characteristics_item_description: O/A DIM. 5.750 IN.

LG,3.000 IN. W IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-145-6044, 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
109274
NSN: 2805-00-145-6044
NIINs: 001456044, 003779266, 003904487, 008310010, 009070331
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionO/A DIM. 5.750 IN. LG,3.000 IN. W IN
NSN2805-00-145-6044
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama VALVE,POPPET,ENGINE TITLE COMPONENT PN 109274 MFR Hama VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3100 INCHES NOMINAL IN
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
HEAD HEIGHT: 0.1562 INCHES NOMINAL IN
•
SECOND GROOVE WIDTH: 0.3750 INCHES NOMINAL IN
•
STEM LENGTH: 4.8750 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
NECK RADIUS: 0.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3100 INCHES NOMINAL IN
FSC APPLICATION DATAGASOLINE ENGINE
HEAD HEIGHT0.1562 INCHES NOMINAL IN
SECOND GROOVE WIDTH0.3750 INCHES NOMINAL IN
STEM LENGTH4.8750 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
NECK RADIUS0.3125 INCHES NOMINAL IN
OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
DISTANCE FROM FIRST GROOVE TO STEM END0.3750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
23631Reference document
Same NSN cross-reference
Reference document — Secondary reference
74980104Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 109274?
109274 is a VALVE,POPPET,ENGINE manufactured by Hama.
What parts can replace 109274?
There are 2 known substitutes for 109274: 23631, 74980104. Substitute compatibility should be verified for your specific system.
What is the NSN for 109274?
109274 is cataloged in the U.S. Government catalog under NSN 2805-00-145-6044. 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.