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Technical Data Sheet
TC346B ✓ 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 HUB,FLYWEIGHT,GOVERNOR 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 2990-00-365-1112, 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
TC346B
NSN: 2990-00-365-1112
FSC: 2990
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY; 1.250 IN. HUB DIA,0.622 IN. SHAFT SECURING PIN HOLE THRU HUB,TWO 0.190 IN. DIA WEIGHT PIN HOLES; 0.843 IN. O/A LG IN
NSN2990-00-365-1112
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HUB,FLYWEIGHT,GOVERNOR TITLE COMPONENT PN TC346B MFR HUB,FLYWEIGHT,GOVERNOR
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY; 1.250 IN. HUB DIA,0.622 IN. SHAFT SECURING PIN HOLE THRU HUB,TWO 0.190 IN. DIA WEIGHT PIN HOLES; 0.843 IN. O/A LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY; 1.250 IN. HUB DIA,0.622 IN. SHAFT SECURING PIN HOLE THRU HUB,TWO 0.190 IN. DIA WEIGHT PIN HOLES; 0.843 IN. O/A LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
28488-110Interchangeable
interchangeable cross-reference
interchangeable
56201Interchangeable
interchangeable cross-reference
interchangeable
L-32OHMSPORM10PCTInterchangeable
interchangeable cross-reference
interchangeable
402153Interchangeable
interchangeable cross-reference
interchangeable
408821Interchangeable
interchangeable cross-reference
interchangeable
56200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TC346B?
TC346B is a HUB,FLYWEIGHT,GOVERNOR.
What parts can replace TC346B?
There are 6 known substitutes for TC346B: 28488-110, 56201, L-32OHMSPORM10PCT and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TC346B?
TC346B is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-365-1112. This indicates validated use in U.S. government and defense supply chains.
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