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PartsTable / COMPONENT / MC1 3-4
MC1 3-4 ✓ 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

The BIT,ROCK DRILL is a the manufacturer industrial component. Key specifications include material: STEEL BAND, overall_width: 0.625 INCHES NOMINAL IN, style_designator: TWO PIECE, material_thickness: 0.312 INCHES NOMINAL IN, loop_inside_diameter: 1.750 INCHES NOMINAL IN, integral_nut_type_and_quantity: 2 PLAIN U BOLT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3820-00-239-7192, 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
MC1 3-4
NSN: 3820-00-239-7192
FSC: 3820
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BAND
overall_width0.625 INCHES NOMINAL IN
style_designatorTWO PIECE
material_thickness0.312 INCHES NOMINAL IN
loop_inside_diameter1.750 INCHES NOMINAL IN
integral_nut_type_and_quantity2 PLAIN U BOLT
NSN3820-00-239-7192
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BIT,ROCK DRILL TITLE COMPONENT PN MC1 3-4 MFR BIT,ROCK DRILL
KEY FEATURES
•
CLEANING HOLE LOCATION AND QUANTITY: 1 CENTER AND 4 SIDE
•
ATTACHMENT METHOD: THREADED SHOULDER DRIVE
•
FEATURES PROVIDED: TUNGSTEN CARBIDE INSERTS
•
MANUFACTURER THREAD DESIGN DESIGNATION: TIMKEN ROLLER BEARING CO SERIES H
•
MATERIAL: STEEL
•
DRILLED HOLE DIAMETER: 1.750 INCHES IN
•
CUTTING END TYPE: FOUR CUTTING EDGES
TECHNICAL CHARACTERISTICS (FLIS)
CLEANING HOLE LOCATION AND QUANTITY1 CENTER AND 4 SIDE
ATTACHMENT METHODTHREADED SHOULDER DRIVE
FEATURES PROVIDEDTUNGSTEN CARBIDE INSERTS
MANUFACTURER THREAD DESIGN DESIGNATIONTIMKEN ROLLER BEARING CO SERIES H
MATERIALSTEEL
DRILLED HOLE DIAMETER1.750 INCHES IN
CUTTING END TYPEFOUR CUTTING EDGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
11021038-2Interchangeable
interchangeable cross-reference
interchangeable
3529Interchangeable
interchangeable cross-reference
interchangeable
MC134Interchangeable
interchangeable cross-reference
interchangeable
MCJ1-75Interchangeable
Same NIIN cross-reference
interchangeable
T22M07Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MC1 3-4?
MC1 3-4 is a BIT,ROCK DRILL.
What parts can replace MC1 3-4?
There are 5 known substitutes for MC1 3-4: 11021038-2, 3529, MC134 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MC1 3-4?
MC1 3-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3820-00-239-7192. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026