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EX1784CE38A — CAP,FILLER OPENING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

EX1784CE38A: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, thread_class: 2B, thread_diameter: 4.5000 INCHES NOMINAL IN, style_designator: NON-VENTED THREADED TYPE (INTERNAL), features_provided: SEAL, accommodation_type: LUGS END GRIPPING. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-172-1998, 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
EX1784CE38A
NSN: 2590-00-172-1998
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 49234 — PROTECTOSEAL CO CONTAINER DIV (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
thread_class2B
thread_diameter4.5000 INCHES NOMINAL IN
style_designatorNON-VENTED THREADED TYPE (INTERNAL)
features_providedSEAL
accommodation_typeLUGS END GRIPPING
thread_series_designatorUN
system_for_which_designedNONPRESSURIZED
NSN2590-00-172-1998
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,FILLER OPENING TITLE COMPONENT PN EX1784CE38A MFR CAP,FILLER OPENING
KEY FEATURES
•
ACCOMMODATION TYPE: LUGS END GRIPPING
•
STYLE DESIGNATOR: NON-VENTED THREADED TYPE (INTERNAL)
•
THREAD DIAMETER: 4.5000 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEAL
•
SYSTEM FOR WHICH DESIGNED: NONPRESSURIZED
•
THREAD CLASS: 2B
•
MATERIAL: ALUMINUM OVERALL
•
THREAD SERIES DESIGNATOR: UN
TECHNICAL CHARACTERISTICS
ACCOMMODATION TYPELUGS END GRIPPING
STYLE DESIGNATORNON-VENTED THREADED TYPE (INTERNAL)
THREAD DIAMETER4.5000 INCHES NOMINAL IN
FEATURES PROVIDEDSEAL
SYSTEM FOR WHICH DESIGNEDNONPRESSURIZED
THREAD CLASS2B
MATERIALALUMINUM OVERALL
THREAD SERIES DESIGNATORUN
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252 2590-00-001-1253 2590-00-001-1254 2590-00-001-3423 2590-00-001-3438 2590-00-001-3439 2590-00-001-3461 2590-00-001-3463
SUBSTITUTES & CROSS-REFERENCES 1
13120088Reference document
Same NSN cross-reference
Reference document — Secondary 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 EX1784CE38A?
EX1784CE38A is a CAP,FILLER OPENING.
What parts can replace EX1784CE38A?
There is 1 known substitute for EX1784CE38A: 13120088. Substitute compatibility should be verified for your specific system.
What is the NSN for EX1784CE38A?
EX1784CE38A is cataloged in the U.S. Government catalog under NSN 2590-00-172-1998. 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.