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Technical Data Sheet
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3940090 — TANK,FUEL,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3940090: TANK,FUEL,ENGINE.

The TANK,FUEL,ENGINE is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 19.000 INCHES NOMINAL IN, baffle: NOT PROVIDED, height: 12.500 INCHES NOMINAL IN, length: 31.000 INCHES NOMINAL IN, capacity: 20.0 GALLON, US MEASURE. This part is cataloged in the U.S.

Government catalog under NSN 2910-00-229-5472, 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
3940090
NSN: 2910-00-229-5472
FSC: 2910 — Engine Fuel System Components, Nonaircraft
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
shapeRECTANGULAR
width19.000 INCHES NOMINAL IN
baffleNOT PROVIDED
height12.500 INCHES NOMINAL IN
length31.000 INCHES NOMINAL IN
capacity20.0 GALLON, US MEASURE
materialSTEEL
filler_capNOT INCLUDED
filler_neckINCLUDED
drain_openingNOT INCLUDED
mounting_bracketNOT PROVIDED
outside_diameter1.375 INCHES NOMINAL IN
NSN2910-00-229-5472
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TANK,FUEL,ENGINE TITLE COMPONENT PN 3940090 MFR TANK,FUEL,ENGINE
KEY FEATURES
•
FILLER CAP: NOT INCLUDED
•
FILLER NECK: INCLUDED
•
LENGTH: 31.000 INCHES NOMINAL IN
•
CAP TYPE FOR WHICH FILLER OPENING IS DESIGNED: PLAIN
•
CAPACITY: 20.0 GALLON, US MEASURE
•
SELF-SEALING FEATURE: NOT INCLUDED
•
SHAPE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FILLER CAPNOT INCLUDED
FILLER NECKINCLUDED
LENGTH31.000 INCHES NOMINAL IN
CAP TYPE FOR WHICH FILLER OPENING IS DESIGNEDPLAIN
CAPACITY20.0 GALLON, US MEASURE
SELF-SEALING FEATURENOT INCLUDED
SHAPERECTANGULAR
OUTSIDE DIAMETER1.375 INCHES NOMINAL IN
HEIGHT12.500 INCHES NOMINAL IN
MOUNTING BRACKETNOT PROVIDED
OTHER ITEMS IN FSC 2910 — Engine Fuel System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2910-00-000-3322 2910-00-000-3636 2910-00-001-1282 2910-00-001-1285 2910-00-001-3841 2910-00-001-3849 2910-00-001-3856 2910-00-001-3864
SUBSTITUTES & CROSS-REFERENCES 1
3867781Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3940090?
3940090 is a TANK,FUEL,ENGINE.
What parts can replace 3940090?
There is 1 known substitute for 3940090: 3867781. Substitute compatibility should be verified for your specific system.
What is the NSN for 3940090?
3940090 is cataloged in the U.S. Government catalog under NSN 2910-00-229-5472. 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.