PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

427639Shield,heat,aircraft Gas Turbine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-735-5112 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-735-5112 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-735-5112. Primary manufacturer part number: 427639.
Features
  • Shield,heat,aircraft Gas Turbine — FSC 2840
  • Criticality Code Justification: AGAV
  • Precious Material: SILVER
  • Engine Section Location: TURBINE
  • 4 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shield,heat,aircraft Gas Turbine, cataloged under National Stock Number 2840-00-735-5112, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-735-5112
Primary Part Number427639
Item NameShield,heat,aircraft Gas Turbine
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Criticality Code JustificationAGAV
Precious MaterialSILVER
Engine Section LocationTURBINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-042-7639 INTERCHANGEABLE
Nut,plain,slotted,hexagon
2590-01-189-8454427639 INTERCHANGEABLE
Heating Element,electrical,immer
Eaton Aerospace, Llc Dba Jackson South
4140-01-664-241542-7639 INTERCHANGEABLE
Impeller,fan,axial
Rix Industries
Cross-Reference Index
Part NumberManufacturer
427639 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
427639 Rtx Corporation Div Pratt & Whitney (USA)
427639 Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA)
427639 Metal Masters Inc (USA)
Related Parts
5310-00-042-7639INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
2590-01-189-8454INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
427639
4140-01-664-2415INTERCHANGEABLE
IMPELLER,FAN,AXIAL
42-7639

Frequently Asked Questions

What is NSN 2840-00-735-5112?

NSN 2840-00-735-5112 is a Shield,heat,aircraft Gas Turbine, 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 2840-00-735-5112?

NSN 2840-00-735-5112 has 4 cross-referenced part numbers: 427639 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 427639 (Rtx Corporation Div Pratt & Whitney), 427639 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 427639 (Metal Masters Inc).

What NSN replaces 2840-00-735-5112?

There are 3 known substitutes for 2840-00-735-5112: 5310-00-042-7639, 2590-01-189-8454, 4140-01-664-2415. Verify interchangeability with system specifications before substitution.

What are the specifications of 427639?

Key specifications for 427639: Criticality Code Justification: AGAV; End Item Identification: TF-33 AIRCRAFT ENGINE; Precious Material: SILVER; Special Features: FOR INTERMEDIATE TUBE CONNECTOR. 5 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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