PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19778Gear Assy

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-118-4096 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-118-4096 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-118-4096. Primary manufacturer part number: 19778.
Features
  • Gear Assy — FSC 2810
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assy, cataloged under National Stock Number 2810-00-118-4096, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-118-4096
Primary Part Number19778
Item NameGear Assy
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-290-10121K6981 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5330-00-599-212619653 INTERCHANGEABLE
Packing,preformed
Western Sky Industries Inc Dba Electromech Techologies
Cross-Reference Index
Part NumberManufacturer
19778 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
19778 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5330-00-290-1012INTERCHANGEABLE
SEAL,PLAIN ENCASED
1K6981
5330-00-599-2126INTERCHANGEABLE
PACKING,PREFORMED
19653

Frequently Asked Questions

What is NSN 2810-00-118-4096?

NSN 2810-00-118-4096 is a Gear Assy, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-118-4096?

NSN 2810-00-118-4096 has 2 cross-referenced part numbers: 19778 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 19778 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2810-00-118-4096?

There are 2 known substitutes for 2810-00-118-4096: 5330-00-290-1012, 5330-00-599-2126. Verify interchangeability with system specifications before substitution.

What are the specifications of 19778?

Key specifications for 19778: End Item Identification: ACFT ENG R1830. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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