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PartsTable / MRO / 78-403
78-403 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BRUSH,ELECTRICAL CONTACT is a Legrand industrial component. Key specifications include base_style: SMALL FOUR PIN, bulb_style: IT (TWIN TUBULAR), overall_length: 4.500 INCHES NOMINAL IN, voltage_rating: 12.000 VOLTS NOMINAL, wattage_rating: 11.000 WATTS, bulb_designator: 15/32X4 1/2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-827-6798, 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
MRO→ MRO_GENERAL→ 78-403
NSN: 6625-00-827-6798
FSC: 6625
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
base_styleSMALL FOUR PIN
bulb_styleIT (TWIN TUBULAR)
overall_length4.500 INCHES NOMINAL IN
voltage_rating12.000 VOLTS NOMINAL
wattage_rating11.000 WATTS
bulb_designator15/32X4 1/2
special_featuresFLUORESCENT BULB WITH 2G7 BASE
rated_average_lifeNOT RATED
emitted_light_characteristicCOLORLESS
NSN6625-00-827-6798
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 78-403 MFR Legrand BRUSH,ELECTRICAL CONTA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
78-403Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-406 TY1CLAInterchangeable
interchangeable cross-reference
interchangeable
J403Interchangeable
interchangeable cross-reference
interchangeable
RC08-0001Interchangeable
interchangeable cross-reference
interchangeable
5325002818643Interchangeable
interchangeable cross-reference
interchangeable
BS-78403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78-403?
78-403 is a BRUSH,ELECTRICAL CONTACT manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 78-403?
There are 11 known substitutes for 78-403: 78-403, GGG-C-406 TY1CLA, J403 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-403?
78-403 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-827-6798. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026