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56W17 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

56W17: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.313 INCHES NOMINAL IN, length: 0.688 INCHES NOMINAL IN, radius: 0.656 INCHES NOMINAL IN, material: CARBON GRAPHITE, thickness: 0.219 INCHES NOMINAL IN, top_style: CYLINDRICAL HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-583-9092, 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
56W17
NSN: 5977-00-583-9092
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 36346 — UNION CARBIDE CORP SUB OF DOW CO THE (USA)
SPECIFICATIONS
width0.313 INCHES NOMINAL IN
length0.688 INCHES NOMINAL IN
radius0.656 INCHES NOMINAL IN
materialCARBON GRAPHITE
thickness0.219 INCHES NOMINAL IN
top_styleCYLINDRICAL HEAD
body_styleRECTANGULAR COMMUTATOR
head_length0.047 INCHES NOMINAL IN
head_diameter0.188 INCHES NOMINAL IN
style_designatorONE PIECE
terminal_diameter0.433 INCHES NOMINAL IN
brush_shunt_length1.125 INCHES NOMINAL SINGLE SHUNT IN
NSN5977-00-583-9092
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 56W17 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.688 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.433 INCHES NOMINAL IN
•
LARGEST OUTSIDE DIAMETER: 0.283 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.656 INCHES NOMINAL IN
•
TOP STYLE: CYLINDRICAL HEAD
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
TECHNICAL CHARACTERISTICS
LENGTH0.688 INCHES NOMINAL IN
TERMINAL DIAMETER0.433 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.283 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.656 INCHES NOMINAL IN
TOP STYLECYLINDRICAL HEAD
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
SPRING FREE LENGTH1.375 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL WITH REDUCED END
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 1
NEMAPUBCB1-1961Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 56W17?
56W17 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 56W17?
There is 1 known substitute for 56W17: NEMAPUBCB1-1961. Substitute compatibility should be verified for your specific system.
What is the NSN for 56W17?
56W17 is cataloged in the U.S. Government catalog under NSN 5977-00-583-9092. 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.