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1961890 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1961890: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: PLASTIC PHENOLIC BOX, inside_width: 0.340 INCHES NOMINAL IN, inside_length: 0.860 INCHES NOMINAL IN, overall_width: 1.605 INCHES NOMINAL IN, overall_length: 1.560 INCHES NOMINAL IN, inside_thickness: 0.220 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-979-9475, 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
1961890
NSN: 5977-00-979-9475
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 1LW55 — BORGWARNER PDS (ANDERSON), L.L.C. (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC BOX
inside_width0.340 INCHES NOMINAL IN
inside_length0.860 INCHES NOMINAL IN
overall_width1.605 INCHES NOMINAL IN
overall_length1.560 INCHES NOMINAL IN
inside_thickness0.220 INCHES NOMINAL IN
mounting_facilityUNTHREADED HOLES
overall_thickness1.090 INCHES NOMINAL IN
mounting_facility_quantity2
brush_quantity_accommodated_per_holder2
NSN5977-00-979-9475
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 1961890 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2
•
INSIDE WIDTH: 0.340 INCHES NOMINAL IN
•
INSIDE LENGTH: 0.860 INCHES NOMINAL IN
•
OVERALL THICKNESS: 1.090 INCHES NOMINAL IN
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 2
•
MOUNTING FACILITY: UNTHREADED HOLES
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2
INSIDE WIDTH0.340 INCHES NOMINAL IN
INSIDE LENGTH0.860 INCHES NOMINAL IN
OVERALL THICKNESS1.090 INCHES NOMINAL IN
OVERALL LENGTH1.560 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER2
OVERALL WIDTH1.605 INCHES NOMINAL IN
MOUNTING FACILITYUNTHREADED HOLES
INSIDE THICKNESS0.220 INCHES NOMINAL IN
MATERIALPLASTIC PHENOLIC BOX
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 1961890?
1961890 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for 1961890?
1961890 is cataloged in the U.S. Government catalog under NSN 5977-00-979-9475. 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.