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PartsTable / COMPONENT / A578-3
A578-3 ✓ Verified by PartsTable
— · COMPONENT
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 the manufacturer industrial component. Key specifications include width: 0.188 INCHES NOMINAL IN, length: 0.562 INCHES NOMINAL IN, material: METAL GRAPHITE, thickness: 0.188 INCHES NOMINAL IN, top_style: FLAT, body_style: RECTANGULAR COMMUTATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-252-6541, 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
A578-3
NSN: 5977-00-252-6541
FSC: 5977
CAGE: 057L8 — ELECTRIC INDICATOR CO INC ELINCO WATERBURY DIV (USA)
SPECIFICATIONS
width0.188 INCHES NOMINAL IN
length0.562 INCHES NOMINAL IN
materialMETAL GRAPHITE
thickness0.188 INCHES NOMINAL IN
top_styleFLAT
body_styleRECTANGULAR COMMUTATOR
step_quantity6
end_similarityNOT IDENTICAL
overall_length16.938 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleEXTERNAL THREADED
special_featuresWEAPON SYSTEM ESSENTIAL
NSN5977-00-252-6541
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN A578-3 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: SUPERIOR CARBON PRODUCTS INC,GR C45 MFR REF SINGLE MATERIAL RESPONSE
•
LENGTH: 0.562 INCHES NOMINAL IN
•
MATERIAL: METAL GRAPHITE
•
TOP STYLE: FLAT
•
STYLE DESIGNATOR: ONE PIECE
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
CONTACT FACE STYLE: CONCAVE
•
WIDTH: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSUPERIOR CARBON PRODUCTS INC,GR C45 MFR REF SINGLE MATERIAL RESPONSE
LENGTH0.562 INCHES NOMINAL IN
MATERIALMETAL GRAPHITE
TOP STYLEFLAT
STYLE DESIGNATORONE PIECE
THICKNESS0.188 INCHES NOMINAL IN
CONTACT FACE STYLECONCAVE
WIDTH0.188 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
525386Interchangeable
interchangeable cross-reference
interchangeable
260145Interchangeable
interchangeable cross-reference
interchangeable
N32250PC81Interchangeable
interchangeable cross-reference
interchangeable
K-A5783Interchangeable
interchangeable cross-reference
interchangeable
5164460Interchangeable
interchangeable cross-reference
interchangeable
K9046733Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A578-3?
A578-3 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace A578-3?
There are 8 known substitutes for A578-3: 525386, 260145, N32250PC81 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A578-3?
A578-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-252-6541. 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