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Technical Data Sheet
PartsTable / COMPONENT / 19778
19778 ✓ 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 GEAR ASSY is a the manufacturer industrial component. Key specifications include material: GRAPHITE AND ASBESTOS OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, peripheral_diameter: 2.250 INCHES NOMINAL IN, center_hole_diameter: 1.438 INCHES NOMINAL IN, cross-sectional_height: 0.406 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-118-4096, 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
19778
NSN: 2810-00-118-4096
FSC: 2810
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialGRAPHITE AND ASBESTOS OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
peripheral_diameter2.250 INCHES NOMINAL IN
center_hole_diameter1.438 INCHES NOMINAL IN
cross-sectional_height0.406 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN2810-00-118-4096
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR ASSY TITLE COMPONENT PN 19778 MFR GEAR ASSY
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONACFT ENG R1830
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1K6981Interchangeable
interchangeable cross-reference
interchangeable
2682Interchangeable
interchangeable cross-reference
interchangeable
19778Interchangeable
interchangeable cross-reference
interchangeable
19653Interchangeable
interchangeable cross-reference
interchangeable
214Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19778?
19778 is a GEAR ASSY.
What parts can replace 19778?
There are 5 known substitutes for 19778: 1K6981, 2682, 19778 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19778?
19778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-118-4096. 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