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018640 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
Contour Design · COMPONENT
PRODUCT OVERVIEW

018640: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a Contour Design industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, length: 0.500 INCHES NOMINAL IN, material: METAL GRAPHITE, thickness: 0.250 INCHES NOMINAL IN, body_style: RECTANGULAR, style_designator: ONE PIECE. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-479-3328, 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
018640
NSN: 5977-00-479-3328
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 3BH04 — MILLER ELECTRIC MFG. LLC (USA)
SPECIFICATIONS
width0.250 INCHES NOMINAL IN
length0.500 INCHES NOMINAL IN
materialMETAL GRAPHITE
thickness0.250 INCHES NOMINAL IN
body_styleRECTANGULAR
style_designatorONE PIECE
terminal_diameter0.344 INCHES NOMINAL IN
contact_face_styleFLAT
spring_free_length1.125 INCHES NOMINAL IN
largest_outside_diameter0.224 INCHES NOMINAL IN
shunt_position_designator5
terminal_type_and_quantity1 ROUND CAP
NSN5977-00-479-3328
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Contour Design BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 018640 MFR Contour Design BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.500 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.344 INCHES NOMINAL IN
•
LARGEST OUTSIDE DIAMETER: 0.224 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: HELWIG CARBON GRADE 671 MFR REF SINGLE MATERIAL RESPONSE
•
SPRING FREE LENGTH: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.500 INCHES NOMINAL IN
TERMINAL DIAMETER0.344 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.224 INCHES NOMINAL IN
BODY STYLERECTANGULAR
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONHELWIG CARBON GRADE 671 MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH1.125 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
CONTACT FACE STYLEFLAT
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
67252550032-5-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 018640?
018640 is a BRUSH,ELECTRICAL CONTACT manufactured by Contour Design.
What parts can replace 018640?
There is 1 known substitute for 018640: 67252550032-5-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 018640?
018640 is cataloged in the U.S. Government catalog under NSN 5977-00-479-3328. 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.