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8109556 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8109556: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: PLASTIC BOX, inside_width: 0.500 INCHES NOMINAL IN, inside_length: 1.000 INCHES NOMINAL IN, overall_width: 1.375 INCHES NOMINAL IN, overall_length: 1.969 INCHES NOMINAL IN, inside_thickness: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-322-8656, 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
8109556
NSN: 5977-00-322-8656
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC BOX
inside_width0.500 INCHES NOMINAL IN
inside_length1.000 INCHES NOMINAL IN
overall_width1.375 INCHES NOMINAL IN
overall_length1.969 INCHES NOMINAL IN
inside_thickness0.375 INCHES NOMINAL IN
mounting_facilityUNTHREADED HOLES
overall_thickness4.125 INCHES NOMINAL IN
brush_spring_adjustabilityNONADJUSTABLE
mounting_facility_quantity1
brush_quantity_accommodated_per_holder4
brush_pressure_spring_type_accommodatedSPIRAL TORSION
NSN5977-00-322-8656
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 8109556 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: NONADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
INSIDE WIDTH: 0.500 INCHES NOMINAL IN
•
INSIDE LENGTH: 1.000 INCHES NOMINAL IN
•
OVERALL THICKNESS: 4.125 INCHES NOMINAL IN
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 4
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYNONADJUSTABLE
MOUNTING FACILITY QUANTITY1
INSIDE WIDTH0.500 INCHES NOMINAL IN
INSIDE LENGTH1.000 INCHES NOMINAL IN
OVERALL THICKNESS4.125 INCHES NOMINAL IN
OVERALL LENGTH1.969 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER4
OVERALL WIDTH1.375 INCHES NOMINAL IN
BRUSH PRESSURE SPRING TYPE ACCOMMODATEDSPIRAL TORSION
MOUNTING FACILITYUNTHREADED HOLES
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
2220Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8109556?
8109556 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 8109556?
There is 1 known substitute for 8109556: 2220. Substitute compatibility should be verified for your specific system.
What is the NSN for 8109556?
8109556 is cataloged in the U.S. Government catalog under NSN 5977-00-322-8656. 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.