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3102-M-4R — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3102-M-4R: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: COPPER ALLOY BOX, inside_width: 1.250 INCHES NOMINAL IN, inside_length: 2.000 INCHES NOMINAL IN, overall_width: 1.375 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, inside_thickness: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-01-122-3685, 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
3102-M-4R
NSN: 5977-01-122-3685
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 68256 — CARBONE OF AMERICA CORPORATION DIV SUPERIOR CARBON PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BOX
inside_width1.250 INCHES NOMINAL IN
inside_length2.000 INCHES NOMINAL IN
overall_width1.375 INCHES NOMINAL IN
overall_length3.250 INCHES NOMINAL IN
inside_thickness0.625 INCHES NOMINAL IN
style_designatorRECTANGLE BEVELED
mounting_facilitySLOT
overall_thickness4.188 INCHES NOMINAL IN
brush_spring_adjustabilityNONADJUSTABLE
mounting_facility_quantity1
brush_quantity_accommodated_per_holder1
NSN5977-01-122-3685
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 3102-M-4R MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: NONADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
INSIDE WIDTH: 1.250 INCHES NOMINAL IN
•
INSIDE LENGTH: 2.000 INCHES NOMINAL IN
•
OVERALL THICKNESS: 4.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGLE BEVELED
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 1
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYNONADJUSTABLE
MOUNTING FACILITY QUANTITY1
INSIDE WIDTH1.250 INCHES NOMINAL IN
INSIDE LENGTH2.000 INCHES NOMINAL IN
OVERALL THICKNESS4.188 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGLE BEVELED
OVERALL LENGTH3.250 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
OVERALL WIDTH1.375 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 3102-M-4R?
3102-M-4R is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for 3102-M-4R?
3102-M-4R is cataloged in the U.S. Government catalog under NSN 5977-01-122-3685. 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.