PartsTable
Technical Data Sheet
Download PDF

S2054-3 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S2054-3: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT, stem_style: GROOVED, head_height: 0.1719 INCHES NOMINAL IN, neck_radius: 0.2812 INCHES NOMINAL IN, stem_length: 4.9375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-846-9488, 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
S2054-3
NSN: 2805-00-846-9488
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_styleFLAT
stem_styleGROOVED
head_height0.1719 INCHES NOMINAL IN
neck_radius0.2812 INCHES NOMINAL IN
stem_length4.9375 INCHES NOMINAL IN
groove_width0.1250 INCHES NOMINAL IN
stem_diameter0.3438 INCHES NOMINAL IN
chamfer_length0.0312 INCHES NOMINAL IN
groove_diameter0.2812 INCHES NOMINAL IN
outside_diameter1.5000 INCHES NOMINAL IN
seat_angle_in_deg45.0
NSN2805-00-846-9488
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN S2054-3 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3438 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1719 INCHES NOMINAL IN
•
STEM LENGTH: 4.9375 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
NECK RADIUS: 0.2812 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.2812 INCHES NOMINAL IN
•
DISTANCE FROM GROOVE TO STEM END: 0.2188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3438 INCHES NOMINAL IN
HEAD HEIGHT0.1719 INCHES NOMINAL IN
STEM LENGTH4.9375 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
NECK RADIUS0.2812 INCHES NOMINAL IN
GROOVE DIAMETER0.2812 INCHES NOMINAL IN
DISTANCE FROM GROOVE TO STEM END0.2188 INCHES NOMINAL IN
OUTSIDE DIAMETER1.5000 INCHES NOMINAL IN
STEM STYLEGROOVED
SUBSTITUTES & CROSS-REFERENCES 3
1885.003Reference document
Same NSN cross-reference
Reference document — Secondary reference
C3AZ6505BReference document
Same NSN cross-reference
Reference document — Secondary reference
C3AZ6505PReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy S2054-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is S2054-3?
S2054-3 is a VALVE,POPPET,ENGINE.
What parts can replace S2054-3?
There are 3 known substitutes for S2054-3: 1885.003, C3AZ6505B, C3AZ6505P. Substitute compatibility should be verified for your specific system.
What is the NSN for S2054-3?
S2054-3 is cataloged in the U.S. Government catalog under NSN 2805-00-846-9488. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — S2054-3

✓ 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.