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S2925 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S2925: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: INVERTED CONE, stem_style: DOUBLE GROOVED, head_height: 0.1610 INCHES NOMINAL IN, neck_radius: 0.3437 INCHES NOMINAL IN, stem_length: 4.8360 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-01-018-5480, 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
S2925
NSN: 2805-01-018-5480
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleINVERTED CONE
stem_styleDOUBLE GROOVED
head_height0.1610 INCHES NOMINAL IN
neck_radius0.3437 INCHES NOMINAL IN
stem_length4.8360 INCHES NOMINAL IN
stem_diameter0.3720 INCHES NOMINAL IN
chamfer_length0.0050 INCHES NOMINAL IN
outside_diameter1.5970 INCHES NOMINAL IN
seat_angle_in_deg45.0
first_groove_width0.0620 INCHES NOMINAL IN
second_groove_width0.0620 INCHES NOMINAL IN
NSN2805-01-018-5480
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN S2925 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3720 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1610 INCHES NOMINAL IN
•
SECOND GROOVE WIDTH: 0.0620 INCHES NOMINAL IN
•
STEM LENGTH: 4.8360 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0050 INCHES NOMINAL IN
•
NECK RADIUS: 0.3437 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.5970 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3720 INCHES NOMINAL IN
HEAD HEIGHT0.1610 INCHES NOMINAL IN
SECOND GROOVE WIDTH0.0620 INCHES NOMINAL IN
STEM LENGTH4.8360 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0050 INCHES NOMINAL IN
NECK RADIUS0.3437 INCHES NOMINAL IN
OUTSIDE DIAMETER1.5970 INCHES NOMINAL IN
DISTANCE FROM FIRST GROOVE TO STEM END0.3750 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463
SUBSTITUTES & CROSS-REFERENCES 1
3769317Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 S2925?
S2925 is a VALVE,POPPET,ENGINE.
What parts can replace S2925?
There is 1 known substitute for S2925: 3769317. Substitute compatibility should be verified for your specific system.
What is the NSN for S2925?
S2925 is cataloged in the U.S. Government catalog under NSN 2805-01-018-5480. 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.