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PartsTable / COMPONENT / 821C
821C ✓ 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 material: STEEL OVERALL, body_width: 1.970 INCHES NOMINAL IN, head_style: HEXAGON, point_type: CONVENTIONAL, body_height: 3.350 INCHES NOMINAL IN, body_length: 2.350 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-187-0367, 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
NSN: 3455-00-187-0367
FSC: 3455
CAGE: 09058 — BROWN & SHARPE, INC. DIV PRECISION MEASURING INSTRUMENTS, TESA USA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.970 INCHES NOMINAL IN
head_styleHEXAGON
point_typeCONVENTIONAL
body_height3.350 INCHES NOMINAL IN
body_length2.350 INCHES NOMINAL IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length2.125 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
thread_length16.0 INCHES NOMINAL IN
flute_quantity2
NSN3455-00-187-0367
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,INVOLUTE GEAR TITLE COMPONENT PN 821C MFR CUTTER,MILLING,INVOLUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
DF95-23Interchangeable
interchangeable cross-reference
interchangeable
953-1124-400Interchangeable
interchangeable cross-reference
interchangeable
18018Interchangeable
interchangeable cross-reference
interchangeable
53623Interchangeable
interchangeable cross-reference
interchangeable
INVOLUTE 14-1/2DEG 3-48Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 821C?
821C is a CUTTER,MILLING,INVOLUTE GEAR.
What parts can replace 821C?
There are 30 known substitutes for 821C: DF95-23, 953-1124-400, 18018 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 821C?
821C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-187-0367. 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