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Technical Data Sheet
TR3A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: STEEL OVERALL, overall_length: 16.000 INCHES NOMINAL IN, style_designator: DOUBLE END SOCKET, wrenching_surface_size: 1.063 INCHES NOMINAL FIRST END IN, wrenching_surface_shape: HEXAGON BOTH ENDS INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-487-6301, 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
TR3A
NSN: 5120-01-487-6301
FSC: 5120
CAGE: 75204 — SUMMIT TOOL COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length16.000 INCHES NOMINAL IN
special_featuresFOR USE ON TRUCKS, BUSES, FARM AND OFF-ROAD VEHICLES; 1-1/2 IN. DEEP SOCKETS; USE WITH KEN-TOOL TR5 TRUCK WRENCH HANDLE IN
style_designatorDOUBLE END SOCKET
wrenching_surface_size1.063 INCHES NOMINAL FIRST END IN
wrenching_surface_shapeHEXAGON BOTH ENDS INTERNAL
NSN5120-01-487-6301
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN TR3A MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
WRENCHING SURFACE SIZE: 1.125 INCHES NOMINAL SECOND END IN
MATERIAL: STEEL OVERALL
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS INTERNAL
STYLE DESIGNATOR: DOUBLE END SOCKET
TECHNICAL CHARACTERISTICS (FLIS)
WRENCHING SURFACE SIZE1.125 INCHES NOMINAL SECOND END IN
MATERIALSTEEL OVERALL
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS INTERNAL
STYLE DESIGNATORDOUBLE END SOCKET
SPECIAL FEATURESFOR USE ON TRUCKS, BUSES, FARM AND OFF-ROAD VEHICLES; 1-1/2 IN. DEEP SOCKETS; USE WITH KEN-TOOL TR5 TRUCK WRENCH HANDLE IN
WRENCHING SURFACE SIZE1.063 INCHES NOMINAL FIRST END IN
OVERALL LENGTH16.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A-A-51146Interchangeable
interchangeable cross-reference
interchangeable
4NBW-M-ECInterchangeable
interchangeable cross-reference
interchangeable
9TA3GWECInterchangeable
interchangeable cross-reference
interchangeable
52507Interchangeable
interchangeable cross-reference
interchangeable
23317Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TR3A?
TR3A is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace TR3A?
There are 5 known substitutes for TR3A: A-A-51146, 4NBW-M-EC, 9TA3GWEC and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TR3A?
TR3A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-487-6301. This indicates validated use in U.S. government and defense supply chains.
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