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K8442A028 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

K8442A028: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, length: 0.562 INCHES NOMINAL IN, material: CARBON, thickness: 0.250 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR, style_designator: ONE PIECE. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-078-8570, 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
K8442A028
NSN: 5977-00-078-8570
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 65063 — FEDERAL SIGNAL CORPORATION (USA)
SPECIFICATIONS
width0.250 INCHES NOMINAL IN
length0.562 INCHES NOMINAL IN
materialCARBON
thickness0.250 INCHES NOMINAL IN
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
terminal_diameter0.406 INCHES NOMINAL IN
brush_shunt_length1.362 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleFLAT
spring_free_length1.362 INCHES NOMINAL IN
shunt_position_designator5
terminal_type_and_quantity1 ROUND CAP
NSN5977-00-078-8570
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN K8442A028 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.562 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.406 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
•
SPRING FREE LENGTH: 1.362 INCHES NOMINAL IN
•
PRESSURE SPRING TYPE AND QUANTITY: 1 CYLINDRICAL
•
BRUSH SHUNT LENGTH: 1.362 INCHES NOMINAL SINGLE SHUNT IN
TECHNICAL CHARACTERISTICS
LENGTH0.562 INCHES NOMINAL IN
TERMINAL DIAMETER0.406 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
SPRING FREE LENGTH1.362 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
BRUSH SHUNT LENGTH1.362 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLEFLAT
WIDTH0.250 INCHES NOMINAL IN
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 2
8442A28Reference document
Same NSN cross-reference
Reference document — Secondary reference
8442A028Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 K8442A028?
K8442A028 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace K8442A028?
There are 2 known substitutes for K8442A028: 8442A28, 8442A028. Substitute compatibility should be verified for your specific system.
What is the NSN for K8442A028?
K8442A028 is cataloged in the U.S. Government catalog under NSN 5977-00-078-8570. 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.