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A3-3780-0-121 — HOUSING,NON-PRESSURE,BRAKE,HYDRA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A3-3780-0-121: HOUSING,NON-PRESSURE,BRAKE,HYDRA.

HOUSING,NON-PRESSURE,BRAKE,HYDRA. Key specifications include end_item_identification: 2320-01-028-4395, general_characteristics_item_description: ROUND; CENTER BORE; THD END. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-290-1386, 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
A3-3780-0-121
NSN: 4320-01-290-1386
FSC: 4320 — Power and Hand Pumps
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
end_item_identification2320-01-028-4395
general_characteristics_item_descriptionROUND; CENTER BORE; THD END
NSN4320-01-290-1386
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING,NON-PRESSURE,BRAKE,HYDRA TITLE COMPONENT PN A3-3780-0-121 MFR HOUSING,NON-PRESSURE,B
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ROUND; CENTER BORE; THD END
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONROUND; CENTER BORE; THD END
END ITEM IDENTIFICATION2320-01-028-4395
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A3-3780-0-121?
A3-3780-0-121 is a HOUSING,NON-PRESSURE,BRAKE,HYDRA.
What is the NSN for A3-3780-0-121?
A3-3780-0-121 is cataloged in the U.S. Government catalog under NSN 4320-01-290-1386. 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.