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Technical Data Sheet
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60521T — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

60521T: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include inside_width: 1.500 INCHES NOMINAL IN, inside_length: 1.938 INCHES NOMINAL IN, overall_width: 1.750 INCHES NOMINAL IN, terminal_type: SCREW, inside_thickness: 0.625 INCHES NOMINAL IN, style_designator: RECTANGLE BEVELED. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-364-6629, 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
60521T
NSN: 5977-00-364-6629
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
inside_width1.500 INCHES NOMINAL IN
inside_length1.938 INCHES NOMINAL IN
overall_width1.750 INCHES NOMINAL IN
terminal_typeSCREW
inside_thickness0.625 INCHES NOMINAL IN
style_designatorRECTANGLE BEVELED
mounting_facilityUNTHREADED HOLES
terminal_quantity1
brush_spring_adjustabilityADJUSTABLE
mounting_facility_quantity1
brush_quantity_accommodated_per_holder1
brush_pressure_spring_type_accommodatedHELICAL TORSION
NSN5977-00-364-6629
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 60521T MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: ADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL QUANTITY: 1
•
INSIDE WIDTH: 1.500 INCHES NOMINAL IN
•
TERMINAL TYPE: SCREW
•
INSIDE LENGTH: 1.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGLE BEVELED
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 1
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYADJUSTABLE
MOUNTING FACILITY QUANTITY1
TERMINAL QUANTITY1
INSIDE WIDTH1.500 INCHES NOMINAL IN
TERMINAL TYPESCREW
INSIDE LENGTH1.938 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGLE BEVELED
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
OVERALL WIDTH1.750 INCHES NOMINAL IN
BRUSH PRESSURE SPRING TYPE ACCOMMODATEDHELICAL TORSION
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 60521T?
60521T is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for 60521T?
60521T is cataloged in the U.S. Government catalog under NSN 5977-00-364-6629. 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.