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9L8439 — CAP,FILLER OPENING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9L8439: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: STEEL HANDLE, outside_diameter: 2.120 INCHES NOMINAL IN, style_designator: ADJUSTABLE TYPE-INTERNAL, accommodation_type: HANDLE END GRIPPING, system_for_which_designed: NONPRESSURIZED, filler_neck_diameter_for_which_designed: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-198-7393, 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
9L8439
NSN: 2590-00-198-7393
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL HANDLE
outside_diameter2.120 INCHES NOMINAL IN
style_designatorADJUSTABLE TYPE-INTERNAL
accommodation_typeHANDLE END GRIPPING
system_for_which_designedNONPRESSURIZED
filler_neck_diameter_for_which_designed1.250 INCHES NOMINAL IN
NSN2590-00-198-7393
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,FILLER OPENING TITLE COMPONENT PN 9L8439 MFR CAP,FILLER OPENING
KEY FEATURES
•
ACCOMMODATION TYPE: HANDLE END GRIPPING
•
STYLE DESIGNATOR: ADJUSTABLE TYPE-INTERNAL
•
FILLER NECK DIAMETER FOR WHICH DESIGNED: 1.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.120 INCHES NOMINAL IN
•
SYSTEM FOR WHICH DESIGNED: NONPRESSURIZED
•
MATERIAL: RUBBER SYNTHETIC BODY
TECHNICAL CHARACTERISTICS
ACCOMMODATION TYPEHANDLE END GRIPPING
STYLE DESIGNATORADJUSTABLE TYPE-INTERNAL
FILLER NECK DIAMETER FOR WHICH DESIGNED1.250 INCHES NOMINAL IN
OUTSIDE DIAMETER2.120 INCHES NOMINAL IN
SYSTEM FOR WHICH DESIGNEDNONPRESSURIZED
MATERIALRUBBER SYNTHETIC BODY
MATERIALSTEEL HANDLE
SUBSTITUTES & CROSS-REFERENCES 4
4050-1-1-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
44050-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
V-240Reference document
Same NSN cross-reference
Reference document — Secondary reference
2590001987393Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9L8439?
9L8439 is a CAP,FILLER OPENING.
What parts can replace 9L8439?
There are 4 known substitutes for 9L8439: 4050-1-1-4, 44050-4, V-240 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9L8439?
9L8439 is cataloged in the U.S. Government catalog under NSN 2590-00-198-7393. 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.