PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

506374Case,turbine,aircraft Gas Turbin

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-159-4264 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-159-4264 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-159-4264. Primary manufacturer part number: 506374.
Features
  • Case,turbine,aircraft Gas Turbin — FSC 2840
  • Engine Section Location: TURBINE
  • Diameter: 49.810 INCHES MINIMUM AND 49.820 INCHES MAXIMUM IN
  • Criticality Code Justification: FEAT
  • Material: STEEL OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Applications requiring Steel Overall construction
General Description

The Case,turbine,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-159-4264, 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 Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-159-4264
Primary Part Number506374
Item NameCase,turbine,aircraft Gas Turbin
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Engine Section LocationTURBINE
Diameter49.810 INCHES MINIMUM AND 49.820 INCHES MAXIMUM IN
Criticality Code JustificationFEAT
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6240-00-102-40033223257 INTERCHANGEABLE
Lamp,incandescent
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-642-078957-2371 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Crane Electronics, Inc.
3020-00-832-6571506374 INTERCHANGEABLE
Gear,spur
Eastman Kodak Co
4140-01-340-067557-237-1 INTERCHANGEABLE
Impeller,fan,axial
Hoyt Corporation
Cross-Reference Index
Part NumberManufacturer
444020-1 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
572371 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
506374 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6240-00-102-4003INTERCHANGEABLE
LAMP,INCANDESCENT
3223257
5905-00-642-0789INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
57-2371
3020-00-832-6571INTERCHANGEABLE
GEAR,SPUR
506374
4140-01-340-0675INTERCHANGEABLE
IMPELLER,FAN,AXIAL
57-237-1

Frequently Asked Questions

What is NSN 2840-01-159-4264?

NSN 2840-01-159-4264 is a Case,turbine,aircraft Gas Turbin, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-159-4264?

NSN 2840-01-159-4264 has 3 cross-referenced part numbers: 444020-1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 572371 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 506374 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-159-4264?

There are 4 known substitutes for 2840-01-159-4264: 6240-00-102-4003, 5905-00-642-0789, 3020-00-832-6571 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 506374?

Key specifications for 506374: Overall Length: 4.538 INCHES MINIMUM AND 4.542 INCHES MAXIMUM IN; Engine Section Location: TURBINE; Diameter: 49.810 INCHES MINIMUM AND 49.820 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 7 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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