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Technical Data Sheet
PartsTable / COMPONENT / 821C-20
821C-20 ✓ 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,INVOLUTE GEAR is a the manufacturer industrial component. Key specifications include angle: 38.0 DEGREES38.0 DEGREES, material: STEEL BODY, body_width: 6.000 INCHES NOMINAL IN, cover_type: BLANK, drive_type: INVOLUTE SPLINE, head_style: HEADLESS (SETSCREW). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-194-0320, 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
821C-20
NSN: 3455-00-194-0320
FSC: 3455
CAGE: 09058 — BROWN & SHARPE, INC. DIV PRECISION MEASURING INSTRUMENTS, TESA USA (USA)
SPECIFICATIONS
angle38.0 DEGREES38.0 DEGREES
materialSTEEL BODY
cam_shapeS
body_width6.000 INCHES NOMINAL IN
cover_typeBLANK
drive_typeINVOLUTE SPLINE
head_styleHEADLESS (SETSCREW)
body_length6.000 INCHES NOMINAL IN
point_styleFLAT
cam_locationON END
cam_quantity1
inside_depth3.000 INCHES NOMINAL IN
NSN3455-00-194-0320
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,INVOLUTE GEAR TITLE COMPONENT PN 821C-20 MFR CUTTER,MILLING,INVOLUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3759220Interchangeable
interchangeable cross-reference
interchangeable
17690Interchangeable
interchangeable cross-reference
interchangeable
3883005Interchangeable
interchangeable cross-reference
interchangeable
MS15701-36Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
17691Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 821C-20?
821C-20 is a CUTTER,MILLING,INVOLUTE GEAR.
What parts can replace 821C-20?
There are 22 known substitutes for 821C-20: 3759220, 17690, 3883005 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 821C-20?
821C-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-194-0320. 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