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PR21653-2 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PR21653-2: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.262 INCHES NOMINAL IN, length: 0.437 INCHES NOMINAL IN, radius: 0.484 INCHES NOMINAL IN, material: CARBON, thickness: 0.188 INCHES NOMINAL IN, top_style: CYLINDRICAL HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-263-0708, 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
PR21653-2
NSN: 5977-00-263-0708
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 70894 — BECKER BROTHERS GRAPHITE CORP (USA)
SPECIFICATIONS
width0.262 INCHES NOMINAL IN
length0.437 INCHES NOMINAL IN
radius0.484 INCHES NOMINAL IN
materialCARBON
thickness0.188 INCHES NOMINAL IN
top_styleCYLINDRICAL HEAD
body_styleRECTANGULAR COMMUTATOR
head_length0.062 INCHES NOMINAL IN
head_diameter0.190 INCHES NOMINAL IN
style_designatorONE PIECE
terminal_diameter0.315 INCHES NOMINAL IN
brush_shunt_length0.750 INCHES NOMINAL SINGLE SHUNT IN
NSN5977-00-263-0708
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN PR21653-2 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.437 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.315 INCHES NOMINAL IN
•
LARGEST OUTSIDE DIAMETER: 0.222 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.484 INCHES NOMINAL IN
•
TOP STYLE: CYLINDRICAL HEAD
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
TECHNICAL CHARACTERISTICS
LENGTH0.437 INCHES NOMINAL IN
TERMINAL DIAMETER0.315 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.222 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.484 INCHES NOMINAL IN
TOP STYLECYLINDRICAL HEAD
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONSTACKPOLE CARBON CO,GR W9 MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH1.000 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 1
ASB12208Reference 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 PR21653-2?
PR21653-2 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace PR21653-2?
There is 1 known substitute for PR21653-2: ASB12208. Substitute compatibility should be verified for your specific system.
What is the NSN for PR21653-2?
PR21653-2 is cataloged in the U.S. Government catalog under NSN 5977-00-263-0708. 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.