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A-72540 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A-72540: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.281 INCHES NOMINAL IN, length: 0.562 INCHES NOMINAL IN, radius: 0.359 INCHES NOMINAL IN, material: METAL GRAPHITE, thickness: 0.188 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-296-1069, 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
A-72540
NSN: 5977-00-296-1069
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 58250 — BALLANTYNE OF OMAHA INC. (USA)
SPECIFICATIONS
width0.281 INCHES NOMINAL IN
length0.562 INCHES NOMINAL IN
radius0.359 INCHES NOMINAL IN
materialMETAL GRAPHITE
thickness0.188 INCHES NOMINAL IN
body_styleRECTANGULAR COMMUTATOR
style_designatorONE PIECE
terminal_diameter0.246 INCHES NOMINAL IN
brush_shunt_length1.125 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleCONCAVE
spring_free_length1.125 INCHES NOMINAL IN
largest_outside_diameter0.246 INCHES NOMINAL IN
NSN5977-00-296-1069
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN A-72540 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.562 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.246 INCHES NOMINAL IN
•
LARGEST OUTSIDE DIAMETER: 0.246 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.359 INCHES NOMINAL IN
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: PURE CARBON CO INC,GRADE 1010J MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH0.562 INCHES NOMINAL IN
TERMINAL DIAMETER0.246 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.246 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.359 INCHES NOMINAL IN
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONPURE CARBON CO INC,GRADE 1010J MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH1.125 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
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
D55390-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A-72540?
A-72540 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace A-72540?
There is 1 known substitute for A-72540: D55390-12. Substitute compatibility should be verified for your specific system.
What is the NSN for A-72540?
A-72540 is cataloged in the U.S. Government catalog under NSN 5977-00-296-1069. 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.