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844963 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

844963: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.368 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, length: 0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN, material: CARBON, thickness: 0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, body_style: RECTANGULAR COMMUTATOR, style_designator: ONE PIECE. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-442-3493, 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
844963
NSN: 5977-00-442-3493
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
width0.368 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
length0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN
materialCARBON
thickness0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
brush_shunt_length0.910 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleCONCAVE
spring_free_length0.986 INCHES NOMINAL IN
terminal_slot_width0.210 INCHES NOMINAL IN
largest_outside_diameter0.234 INCHES NOMINAL IN
shunt_position_designator5
NSN5977-00-442-3493
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 844963 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN
•
LARGEST OUTSIDE DIAMETER: 0.234 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL SLOT WIDTH: 0.210 INCHES NOMINAL IN
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
•
SPRING FREE LENGTH: 0.986 INCHES NOMINAL IN
•
PRESSURE SPRING TYPE AND QUANTITY: 1 CYLINDRICAL WITH REDUCED END
TECHNICAL CHARACTERISTICS
LENGTH0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN
LARGEST OUTSIDE DIAMETER0.234 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL SLOT WIDTH0.210 INCHES NOMINAL IN
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
SPRING FREE LENGTH0.986 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL WITH REDUCED END
BRUSH SHUNT LENGTH0.910 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 844963?
844963 is a BRUSH,ELECTRICAL CONTACT.
What is the NSN for 844963?
844963 is cataloged in the U.S. Government catalog under NSN 5977-00-442-3493. 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.