PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

479311Seal,air,aircraft Gas Turbine En

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-159-6759 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-159-6759 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-159-6759. Primary manufacturer part number: 479311.
Features
  • Seal,air,aircraft Gas Turbine En — FSC 2840
  • Criticality Code Justification: AGAV
  • Engine Section Location: TURBINE
  • Material: ALUMINUM ALLOY OVERALL
  • Material Document and Classification: AMS4125 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Diameter: 17.500 INCHES MINIMUM AND 17.510 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-159-6759, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN2840-01-159-6759
Primary Part Number479311
Item NameSeal,air,aircraft Gas Turbine En
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Criticality Code JustificationAGAV
Engine Section LocationTURBINE
MaterialALUMINUM ALLOY OVERALL
Material Document and ClassificationAMS4125 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Diameter17.500 INCHES MINIMUM AND 17.510 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-058-8747479311 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Cae Usa Inc.
4730-00-455-1139TLS42 INTERCHANGEABLE
Elbow,pipe to Hose
Dixon Valve & Coupling Company, Llc Div Dixon Fire
Cross-Reference Index
Part NumberManufacturer
479311 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
479311 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5905-00-058-8747INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
479311
4730-00-455-1139INTERCHANGEABLE
ELBOW,PIPE TO HOSE
TLS42

Frequently Asked Questions

What is NSN 2840-01-159-6759?

NSN 2840-01-159-6759 is a Seal,air,aircraft Gas Turbine En, 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 2840-01-159-6759?

NSN 2840-01-159-6759 has 2 cross-referenced part numbers: 479311 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 479311 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 2840-01-159-6759?

There are 2 known substitutes for 2840-01-159-6759: 5905-00-058-8747, 4730-00-455-1139. Verify interchangeability with system specifications before substitution.

What are the specifications of 479311?

Key specifications for 479311: Criticality Code Justification: AGAV; Engine Section Location: TURBINE; Material: ALUMINUM ALLOY OVERALL; Material Document and Classification: AMS4125 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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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