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28778 ✓ 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 GEARSHAFT,WORM AND is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-099-7851, 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
28778
NSN: 1680-00-099-7851
FSC: 1680
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL
NSN1680-00-099-7851
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,WORM AND TITLE COMPONENT PN 28778 MFR GEARSHAFT,WORM AND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
28778Interchangeable
interchangeable cross-reference
interchangeable
500-28355 ITEM 8Interchangeable
interchangeable cross-reference
interchangeable
500-28355-PC8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28778?
28778 is a GEARSHAFT,WORM AND.
What parts can replace 28778?
There are 3 known substitutes for 28778: 28778, 500-28355 ITEM 8, 500-28355-PC8. Substitute compatibility should be verified for your specific system.
What is the NSN for 28778?
28778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-099-7851. 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