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120A578G13 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

120A578G13: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 1.750 INCHES NOMINAL IN, length: 2.750 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.375 INCHES NOMINAL IN, top_style: BEVELED FRONT WITH LEFT AND RIGHT EDGE BEVELED, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-230-0845, 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
120A578G13
NSN: 5977-00-230-0845
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 18783 — MIRAJ CORP (USA)
SPECIFICATIONS
width1.750 INCHES NOMINAL IN
length2.750 INCHES NOMINAL IN
materialELECTROGRAPHITIC
thickness0.375 INCHES NOMINAL IN
top_styleBEVELED FRONT WITH LEFT AND RIGHT EDGE BEVELED
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
brush_shunt_length5.500 INCHES NOMINAL ALL SHUNTS IN
contact_face_styleBEVELED
terminal_slot_width0.281 INCHES NOMINAL IN
shunt_position_designator2 AND 8
terminal_type_and_quantity1 STRAIGHT W/SLOT
NSN5977-00-230-0845
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 120A578G13 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 2.750 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL SLOT WIDTH: 0.281 INCHES NOMINAL IN
•
TOP STYLE: BEVELED FRONT WITH LEFT AND RIGHT EDGE BEVELED
•
SHUNT POSITION DESIGNATOR: 2 AND 8
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: CARBONE GRADE 535 MFR REF SINGLE MATERIAL RESPONSE
•
BRUSH SHUNT LENGTH: 5.500 INCHES NOMINAL ALL SHUNTS IN
TECHNICAL CHARACTERISTICS
LENGTH2.750 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL SLOT WIDTH0.281 INCHES NOMINAL IN
TOP STYLEBEVELED FRONT WITH LEFT AND RIGHT EDGE BEVELED
SHUNT POSITION DESIGNATOR2 AND 8
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONCARBONE GRADE 535 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH5.500 INCHES NOMINAL ALL SHUNTS IN
CONTACT FACE STYLEBEVELED
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5977-00-001-8018 5977-00-001-8867 5977-00-002-9654 5977-00-003-0257 5977-00-003-0258 5977-00-003-0264 5977-00-003-1196 5977-00-003-1197
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 120A578G13?
120A578G13 is a BRUSH,ELECTRICAL CONTACT.
What is the NSN for 120A578G13?
120A578G13 is cataloged in the U.S. Government catalog under NSN 5977-00-230-0845. 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.