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PartsTable / COMPONENT / 4321 3/8
4321 3/8 ✓ 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 4321 3/8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-841-8746, 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
4321 3/8
NSN: 5133-00-841-8746
FSC: 5133
CAGE: 03882 — NEW YORK TWIST DRILL INC (USA)
SPECIFICATIONS
Part Number4321 3/8
NSN5133-00-841-8746
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4321 3/8 TITLE COMPONENT PN 4321 3/8 MFR 4321 3/8
KEY FEATURES
•
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
POINT ANGLE: 118.0 DEGREES NOMINAL
•
MATERIAL: CARBIDE OVERALL
•
SPECIFICATION/STANDARD DATA: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
CUTTING END STYLE: GENERAL PURPOSE
TECHNICAL CHARACTERISTICS (FLIS)
SHANK DIAMETER0.375 INCHES NOMINAL IN
POINT ANGLE118.0 DEGREES NOMINAL
SPECIAL FEATURESSOLID CARBIDE; HEAVY DUTY; FRACTIONAL SIZE 3/8
MATERIALCARBIDE OVERALL
OVERALL LENGTH4.250 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CUTTING ROTATION DIRECTIONRIGHT-HAND
CUTTING END STYLEGENERAL PURPOSE
SHANK STYLESTRAIGHT ROUND
POINT TYPECONVENTIONAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
31024Interchangeable
interchangeable cross-reference
interchangeable
9924Interchangeable
interchangeable cross-reference
interchangeable
C19WInterchangeable
interchangeable cross-reference
interchangeable
170D024Interchangeable
interchangeable cross-reference
interchangeable
DMS 87045BInterchangeable
interchangeable cross-reference
interchangeable
7010021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4321 3/8?
4321 3/8 is a 4321 3/8.
What parts can replace 4321 3/8?
There are 23 known substitutes for 4321 3/8: 31024, 9924, C19W and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4321 3/8?
4321 3/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-841-8746. 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