PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

525237Shield,heat,aircraft Gas Turbine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-909-0655 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-909-0655 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-909-0655. Primary manufacturer part number: 525237.
Features
  • Shield,heat,aircraft Gas Turbine — FSC 2840
  • 2 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 2840-00-909-0655, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShield,heat,aircraft Gas Turbine
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Rtx Corporation Div Pratt & Whitney (CAGE 52661)
Technical Specifications
ParameterValue
NSN2840-00-909-0655
Primary Part Number525237
Item NameShield,heat,aircraft Gas Turbine
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-021-3638149-2337 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
525237 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
525237 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5331-00-021-3638INTERCHANGEABLE
O-RING
149-2337

Frequently Asked Questions

What is NSN 2840-00-909-0655?

NSN 2840-00-909-0655 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 2840-00-909-0655?

NSN 2840-00-909-0655 has 2 cross-referenced part numbers: 525237 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 525237 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 2840-00-909-0655?

There is 1 known substitute for 2840-00-909-0655: 5331-00-021-3638. Verify interchangeability with system specifications before substitution.

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