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1433-643401 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1433-643401: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.185 INCHES NOMINAL IN, length: 0.406 INCHES NOMINAL IN, radius: 0.281 INCHES NOMINAL IN, material: CARBON, thickness: 0.185 INCHES NOMINAL IN, top_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-941-9665, 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
1433-643401
NSN: 5977-00-941-9665
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
width0.185 INCHES NOMINAL IN
length0.406 INCHES NOMINAL IN
radius0.281 INCHES NOMINAL IN
materialCARBON
thickness0.185 INCHES NOMINAL IN
top_styleFLAT
body_styleRECTANGULAR COMMUTATOR
special_featuresSHUNT TO BRUSH AND SHUNT TO TERMINAL TO WITHSTAND 3LB MIN. TENSILE STRENGTH LBS
style_designatorONE PIECE
brush_shunt_length1.016 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleCONCAVE
terminal_hole_diameter0.112 INCHES NOMINAL IN
NSN5977-00-941-9665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 1433-643401 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.406 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.281 INCHES NOMINAL IN
•
TERMINAL HOLE DIAMETER: 0.112 INCHES NOMINAL IN
•
TOP STYLE: FLAT
•
SHUNT POSITION DESIGNATOR: 12
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: CARBONE CARBON GRADE 51 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH0.406 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.281 INCHES NOMINAL IN
TERMINAL HOLE DIAMETER0.112 INCHES NOMINAL IN
TOP STYLEFLAT
SHUNT POSITION DESIGNATOR12
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONCARBONE CARBON GRADE 51 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH1.016 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLECONCAVE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1433-643401?
1433-643401 is a BRUSH,ELECTRICAL CONTACT.
What is the NSN for 1433-643401?
1433-643401 is cataloged in the U.S. Government catalog under NSN 5977-00-941-9665. 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.