PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

714163Lock,turbine Shaft Coupling,gas

Rtx Corporation Div Pratt & Whitney · NSN 2840-00-099-9278 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-099-9278 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-099-9278. Primary manufacturer part number: 714163.
Features
  • Lock,turbine Shaft Coupling,gas — FSC 2840
  • Material: STEEL
  • Overall Diameter: 4.310 INCHES MINIMUM AND 4.313 INCHES MAXIMUM IN
  • Criticality Code Justification: MATT AND ADAV AND ABHP AND FEAT
  • 10 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Applications requiring Steel construction
General Description

The Lock,turbine Shaft Coupling,gas, cataloged under National Stock Number 2840-00-099-9278, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2840-00-099-9278
Primary Part Number714163
Item NameLock,turbine Shaft Coupling,gas
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusCANCELLED
MaterialSTEEL
Overall Diameter4.310 INCHES MINIMUM AND 4.313 INCHES MAXIMUM IN
Criticality Code JustificationMATT AND ADAV AND ABHP AND FEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-156-79775518 INTERCHANGEABLE
Bearing,ball,annular
Isaacson Steel Co Div Isaacson Corp
Cross-Reference Index
Part NumberManufacturer
714163 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
799598 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
799593 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
714163 Aero Gear Incorporated (USA)
714163 Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA)
714163 The United Tool & Die Company (USA)
714163 Precision Speed Manufacturing, Llc (USA)
714163 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
714163 Precision Gear Industries Llc (USA)
714163 Bmt Aerospace Usa, Inc. (USA)
Related Parts
3110-00-156-7977INTERCHANGEABLE
BEARING,BALL,ANNULAR
5518

Frequently Asked Questions

What is NSN 2840-00-099-9278?

NSN 2840-00-099-9278 is a Lock,turbine Shaft Coupling,gas, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2840-00-099-9278?

NSN 2840-00-099-9278 has 10 cross-referenced part numbers: 714163 (Rtx Corporation Div Pratt & Whitney), 799598 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 799593 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 714163 (Aero Gear Incorporated), 714163 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc) and 5 more.

What NSN replaces 2840-00-099-9278?

There is 1 known substitute for 2840-00-099-9278: 3110-00-156-7977. Verify interchangeability with system specifications before substitution.

What are the specifications of 714163?

Key specifications for 714163: Material: STEEL; Overall Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Overall Diameter: 4.310 INCHES MINIMUM AND 4.313 INCHES MAXIMUM IN; Criticality Code Justification: MATT AND ADAV AND ABHP AND FEAT. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2840-00-099-9278 still in active supply?

NSN 2840-00-099-9278 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com