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31J651ITEM7 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

31J651ITEM7: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: COPPER ALLOY BOX, inside_width: 0.754 INCHES NOMINAL IN, inside_length: 1.500 INCHES NOMINAL IN, overall_width: 1.219 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, inside_thickness: 1.251 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-238-9733, 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
31J651ITEM7
NSN: 5977-00-238-9733
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY BOX
inside_width0.754 INCHES NOMINAL IN
inside_length1.500 INCHES NOMINAL IN
overall_width1.219 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
inside_thickness1.251 INCHES NOMINAL IN
mounting_facilityUNTHREADED HOLES
overall_thickness2.031 INCHES NOMINAL IN
mounting_facility_quantity2
brush_quantity_accommodated_per_holder1
NSN5977-00-238-9733
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 31J651ITEM7 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2
•
INSIDE WIDTH: 0.754 INCHES NOMINAL IN
•
INSIDE LENGTH: 1.500 INCHES NOMINAL IN
•
OVERALL THICKNESS: 2.031 INCHES NOMINAL IN
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 1
•
MOUNTING FACILITY: UNTHREADED HOLES
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2
INSIDE WIDTH0.754 INCHES NOMINAL IN
INSIDE LENGTH1.500 INCHES NOMINAL IN
OVERALL THICKNESS2.031 INCHES NOMINAL IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
OVERALL WIDTH1.219 INCHES NOMINAL IN
MOUNTING FACILITYUNTHREADED HOLES
INSIDE THICKNESS1.251 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 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 31J651ITEM7?
31J651ITEM7 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for 31J651ITEM7?
31J651ITEM7 is cataloged in the U.S. Government catalog under NSN 5977-00-238-9733. 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.