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PartsTable / COMPONENT / 821C-143
821C-143 ✓ 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: 60.0 DEGREES, height: 1.000 INCHES NOMINAL IN, length: 1.750 INCHES NOMINAL IN, material: NICKEL ALLOY, mesh_size: 30.0, base_style: SINGLE CONTACT BAYONET CANDELABRA. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-231-8920, 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-143
NSN: 3455-00-231-8920
FSC: 3455
CAGE: 09058 — BROWN & SHARPE, INC. DIV PRECISION MEASURING INSTRUMENTS, TESA USA (USA)
SPECIFICATIONS
angle60.0 DEGREES
height1.000 INCHES NOMINAL IN
length1.750 INCHES NOMINAL IN
materialNICKEL ALLOY
mesh_size30.0
base_styleSINGLE CONTACT BAYONET CANDELABRA
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
body_width1.500 INCHES NOMINAL IN
bulb_styleT (TUBULAR)
duty_cycleCONTINUOUS
head_styleMUSHROOM
seat_angle45.0 DEGREES FIRST END
NSN3455-00-231-8920
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,INVOLUTE GEAR TITLE COMPONENT PN 821C-143 MFR CUTTER,MILLING,INVOLUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
17918Interchangeable
interchangeable cross-reference
interchangeable
81311S4105-457685PC21Interchangeable
interchangeable cross-reference
interchangeable
HR7966Interchangeable
interchangeable cross-reference
interchangeable
NX35Interchangeable
interchangeable cross-reference
interchangeable
53567Interchangeable
interchangeable cross-reference
interchangeable
7037030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 821C-143?
821C-143 is a CUTTER,MILLING,INVOLUTE GEAR.
What parts can replace 821C-143?
There are 25 known substitutes for 821C-143: 17918, 81311S4105-457685PC21, HR7966 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 821C-143?
821C-143 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-231-8920. 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