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MB18461 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MB18461: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.804 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, length: 0.813 INCHES NOMINAL IN, radius: 1.125 INCHES NOMINAL IN, material: COPPER GRAPHITE, thickness: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, top_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-391-1863, 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
MB18461
NSN: 5977-00-391-1863
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 76468 — MORGANITE INC (USA)
SPECIFICATIONS
width0.804 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
length0.813 INCHES NOMINAL IN
radius1.125 INCHES NOMINAL IN
materialCOPPER GRAPHITE
thickness0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
top_styleFLAT
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
brush_shunt_length2.000 INCHES NOMINAL ALL SHUNTS IN
contact_face_styleCONCAVE
terminal_hole_diameter0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
shunt_position_designator2 AND 8
NSN5977-00-391-1863
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN MB18461 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.813 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 1.125 INCHES NOMINAL IN
•
TERMINAL HOLE DIAMETER: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
TOP STYLE: FLAT
•
SHUNT POSITION DESIGNATOR: 2 AND 8
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MORGANITE INC GRADE CM-7026 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH0.813 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS1.125 INCHES NOMINAL IN
TERMINAL HOLE DIAMETER0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
TOP STYLEFLAT
SHUNT POSITION DESIGNATOR2 AND 8
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC GRADE CM-7026 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH2.000 INCHES NOMINAL ALL SHUNTS IN
CONTACT FACE STYLECONCAVE
SUBSTITUTES & CROSS-REFERENCES 3
M010031854Reference document
Same NSN cross-reference
Reference document — Secondary reference
31854Reference document
Same NSN cross-reference
Reference document — Secondary reference
01-18461Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MB18461?
MB18461 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace MB18461?
There are 3 known substitutes for MB18461: M010031854, 31854, 01-18461. Substitute compatibility should be verified for your specific system.
What is the NSN for MB18461?
MB18461 is cataloged in the U.S. Government catalog under NSN 5977-00-391-1863. 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.