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402189-5R — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

402189-5R: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: COPPER ALLOY BOX, inside_width: 1.010 INCHES NOMINAL IN, inside_length: 1.375 INCHES NOMINAL IN, overall_width: 2.375 INCHES NOMINAL IN, terminal_type: SCREW, overall_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-959-6006, 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
402189-5R
NSN: 5977-00-959-6006
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 50380 — RELIANCE ELECTRIC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BOX
inside_width1.010 INCHES NOMINAL IN
inside_length1.375 INCHES NOMINAL IN
overall_width2.375 INCHES NOMINAL IN
terminal_typeSCREW
overall_length1.750 INCHES NOMINAL IN
inside_thickness0.379 INCHES NOMINAL IN
mounting_facilityUNTHREADED HOLES
overall_thickness3.125 INCHES NOMINAL IN
terminal_quantity1
brush_spring_adjustabilityADJUSTABLE
mounting_facility_quantity1
NSN5977-00-959-6006
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 402189-5R MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: ADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL QUANTITY: 1
•
INSIDE WIDTH: 1.010 INCHES NOMINAL IN
•
TERMINAL TYPE: SCREW
•
INSIDE LENGTH: 1.375 INCHES NOMINAL IN
•
OVERALL THICKNESS: 3.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYADJUSTABLE
MOUNTING FACILITY QUANTITY1
TERMINAL QUANTITY1
INSIDE WIDTH1.010 INCHES NOMINAL IN
TERMINAL TYPESCREW
INSIDE LENGTH1.375 INCHES NOMINAL IN
OVERALL THICKNESS3.125 INCHES NOMINAL IN
OVERALL LENGTH1.750 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
OVERALL WIDTH2.375 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
74731-RReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 402189-5R?
402189-5R is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 402189-5R?
There is 1 known substitute for 402189-5R: 74731-R. Substitute compatibility should be verified for your specific system.
What is the NSN for 402189-5R?
402189-5R is cataloged in the U.S. Government catalog under NSN 5977-00-959-6006. 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.