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A578-1226 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A578-1226: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.867 INCHES NOMINAL IN, length: 1.000 INCHES NOMINAL IN, material: CARBON AND COPPER, thickness: 0.290 INCHES NOMINAL IN, top_style: FLAT WITH RECTANGULAR SLOT, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-01-033-4366, 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
A578-1226
NSN: 5977-01-033-4366
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 21269 — ESSEX ELECTRO ENGINEERS INC (USA)
SPECIFICATIONS
width0.867 INCHES NOMINAL IN
length1.000 INCHES NOMINAL IN
materialCARBON AND COPPER
thickness0.290 INCHES NOMINAL IN
top_styleFLAT WITH RECTANGULAR SLOT
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
brush_shunt_length1.250 INCHES NOMINAL FIRST SHUNT IN
contact_face_styleFLAT
terminal_hole_diameter0.312 INCHES NOMINAL IN
shunt_position_designator2 AND 8
terminal_type_and_quantity1 FLAG W/HOLE
NSN5977-01-033-4366
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN A578-1226 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 1.000 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
TOP STYLE: FLAT WITH RECTANGULAR SLOT
•
SHUNT POSITION DESIGNATOR: 2 AND 8
•
STYLE DESIGNATOR: ONE PIECE
•
BRUSH SHUNT LENGTH: 0.875 INCHES NOMINAL SECOND SHUNT IN
TECHNICAL CHARACTERISTICS
LENGTH1.000 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL HOLE DIAMETER0.312 INCHES NOMINAL IN
TOP STYLEFLAT WITH RECTANGULAR SLOT
SHUNT POSITION DESIGNATOR2 AND 8
STYLE DESIGNATORONE PIECE
BRUSH SHUNT LENGTH0.875 INCHES NOMINAL SECOND SHUNT IN
BRUSH SHUNT LENGTH1.250 INCHES NOMINAL FIRST SHUNT IN
CONTACT FACE STYLEFLAT
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 A578-1226?
A578-1226 is a BRUSH,ELECTRICAL CONTACT.
What is the NSN for A578-1226?
A578-1226 is cataloged in the U.S. Government catalog under NSN 5977-01-033-4366. 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.