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9420389 — PISTON,ROTOR BRAKE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9420389: PISTON,ROTOR BRAKE.

The PISTON,ROTOR BRAKE is a the manufacturer industrial component. Key specifications include end_item_identification: SIKORSKY MODEL H-2 AND H-3 HELICOPTER, general_characteristics_item_description: MATL MAGNESIUM ALLOY BAR; DICHROMATE SURFACE TREATMENT. This part is cataloged in the U.S.

Government catalog under NSN 1630-00-769-3290, 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
9420389
NSN: 1630-00-769-3290
FSC: 1630 — Aircraft Wheel and Brake Systems
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)
SPECIFICATIONS
end_item_identificationSIKORSKY MODEL H-2 AND H-3 HELICOPTER
general_characteristics_item_descriptionMATL MAGNESIUM ALLOY BAR; DICHROMATE SURFACE TREATMENT
NSN1630-00-769-3290
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,ROTOR BRAKE TITLE COMPONENT PN 9420389 MFR PISTON,ROTOR BRAKE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL MAGNESIUM ALLOY BAR; DICHROMATE SURFACE TREATMENT
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL MAGNESIUM ALLOY BAR; DICHROMATE SURFACE TREATMENT
END ITEM IDENTIFICATIONSIKORSKY MODEL H-2 AND H-3 HELICOPTER
OTHER ITEMS IN FSC 1630 — Aircraft Wheel and Brake Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1630-00-001-2283 1630-00-001-8356 1630-00-003-3083 1630-00-004-2811 1630-00-004-4065 1630-00-005-1707 1630-00-006-8704 1630-00-006-8705
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 9420389?
9420389 is a PISTON,ROTOR BRAKE.
What is the NSN for 9420389?
9420389 is cataloged in the U.S. Government catalog under NSN 1630-00-769-3290. 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.