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1544527 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1544527: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include inside_length: 1.188 INCHES NOMINAL IN, overall_width: 2.125 INCHES NOMINAL IN, terminal_type: THREADED HOLE, overall_length: 1.125 INCHES NOMINAL IN, inside_thickness: 1.438 INCHES NOMINAL IN, mounting_facility: THREADED HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-937-1504, 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
1544527
NSN: 5977-00-937-1504
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
inside_length1.188 INCHES NOMINAL IN
overall_width2.125 INCHES NOMINAL IN
terminal_typeTHREADED HOLE
overall_length1.125 INCHES NOMINAL IN
inside_thickness1.438 INCHES NOMINAL IN
mounting_facilityTHREADED HOLES
overall_thickness2.500 INCHES NOMINAL IN
terminal_quantity2
brush_spring_adjustabilityNONADJUSTABLE
mounting_facility_quantity1
brush_quantity_accommodated_per_holder2
brush_pressure_spring_type_accommodatedSPIRAL TORSION
NSN5977-00-937-1504
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 1544527 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: NONADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL QUANTITY: 2
•
TERMINAL TYPE: THREADED HOLE
•
INSIDE LENGTH: 1.188 INCHES NOMINAL IN
•
OVERALL THICKNESS: 2.500 INCHES NOMINAL IN
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 2
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYNONADJUSTABLE
MOUNTING FACILITY QUANTITY1
TERMINAL QUANTITY2
TERMINAL TYPETHREADED HOLE
INSIDE LENGTH1.188 INCHES NOMINAL IN
OVERALL THICKNESS2.500 INCHES NOMINAL IN
OVERALL LENGTH1.125 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER2
OVERALL WIDTH2.125 INCHES NOMINAL IN
BRUSH PRESSURE SPRING TYPE ACCOMMODATEDSPIRAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1544527?
1544527 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for 1544527?
1544527 is cataloged in the U.S. Government catalog under NSN 5977-00-937-1504. 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.