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A105078A — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A105078A: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.187 INCHES NOMINAL IN, length: 0.441 INCHES NOMINAL IN, material: GRAPHITE, thickness: 0.125 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR, bevel_angle: 21.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-178-8124, 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
A105078A
NSN: 5977-00-178-8124
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
width0.187 INCHES NOMINAL IN
length0.441 INCHES NOMINAL IN
materialGRAPHITE
thickness0.125 INCHES NOMINAL IN
body_styleRECTANGULAR COMMUTATOR
bevel_angle21.0 DEGREES NOMINAL
style_designatorONE PIECE
brush_shunt_length1.141 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleCONCAVE ON BEVEL
terminal_type_and_quantity1 STRAIGHT W/HOLE
material_document_and_classificationMORGANITE BRUSH CO. INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
shunt_insulation_provision_and_quantity1 UNINSULATED
NSN5977-00-178-8124
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN A105078A MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.441 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MORGANITE BRUSH CO. INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
•
BRUSH SHUNT LENGTH: 1.141 INCHES NOMINAL SINGLE SHUNT IN
•
CONTACT FACE STYLE: CONCAVE ON BEVEL
•
SHUNT INSULATION PROVISION AND QUANTITY: 1 UNINSULATED
•
WIDTH: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.441 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE BRUSH CO. INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH1.141 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLECONCAVE ON BEVEL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
WIDTH0.187 INCHES NOMINAL IN
BEVEL ANGLE21.0 DEGREES NOMINAL
MATERIALGRAPHITE
SUBSTITUTES & CROSS-REFERENCES 2
105078BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB1011Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A105078A?
A105078A is a BRUSH,ELECTRICAL CONTACT.
What parts can replace A105078A?
There are 2 known substitutes for A105078A: 105078B, MB1011. Substitute compatibility should be verified for your specific system.
What is the NSN for A105078A?
A105078A is cataloged in the U.S. Government catalog under NSN 5977-00-178-8124. 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.