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Technical Data Sheet
PartsTable / COMPONENT / B681C
B681C ✓ 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 CUTTER,MILLING,END is a the manufacturer industrial component. Key specifications include diameter: 1.000 INCHES NOMINAL IN, material: STEEL, cut_length: 2.000 INCHES NOMINAL IN, shank_type: WELDON, design_form: SINGLE END, flute_design: HELICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-064-8950, 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
B681C
NSN: 3455-01-064-8950
FSC: 3455
CAGE: 71485 — UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 (USA)
SPECIFICATIONS
diameter1.000 INCHES NOMINAL IN
materialSTEEL
cut_length2.000 INCHES NOMINAL IN
shank_typeWELDON
design_formSINGLE END
flute_designHELICAL
overall_length4.500 INCHES NOMINAL IN
shank_diameter1.000 INCHES NOMINAL IN
helix_directionRIGHT-HAND
special_featuresBALL END
cutting_rotation_directionRIGHT-HAND
NSN3455-01-064-8950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,END TITLE COMPONENT PN B681C MFR CUTTER,MILLING,END
KEY FEATURES
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
SHANK TYPE: WELDON
•
MATERIAL: STEEL
•
HELIX DIRECTION: RIGHT-HAND
•
FLUTE DESIGN: HELICAL
•
CUT LENGTH: 2.000 INCHES NOMINAL IN
•
SHANK DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CUTTING ROTATION DIRECTIONRIGHT-HAND
SHANK TYPEWELDON
MATERIALSTEEL
HELIX DIRECTIONRIGHT-HAND
SPECIAL FEATURESBALL END
FLUTE DESIGNHELICAL
CUT LENGTH2.000 INCHES NOMINAL IN
SHANK DIAMETER1.000 INCHES NOMINAL IN
DIAMETER1.000 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1890-6Interchangeable
interchangeable cross-reference
interchangeable
179906Interchangeable
interchangeable cross-reference
interchangeable
134MNX2Interchangeable
interchangeable cross-reference
interchangeable
42806REVBInterchangeable
interchangeable cross-reference
interchangeable
42806Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B681C?
B681C is a CUTTER,MILLING,END.
What parts can replace B681C?
There are 14 known substitutes for B681C: 1890-6, 179906, 134MNX2 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B681C?
B681C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-064-8950. 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