PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4001528Seal,metallic,aircraft Gas Turbi

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-331-5572 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-331-5572 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-331-5572. Primary manufacturer part number: 4001528.
Features
  • Seal,metallic,aircraft Gas Turbi — FSC 2840
  • Material: STEEL OVERALL
  • Criticality Code Justification: MATT AND FEAT
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Overall construction
General Description

The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-00-331-5572, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-331-5572
Primary Part Number4001528
Item NameSeal,metallic,aircraft Gas Turbi
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialSTEEL OVERALL
Criticality Code JustificationMATT AND FEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-249-584340015-28 INTERCHANGEABLE
Relay,electromagnetic
Olympic Controls Corp
Cross-Reference Index
Part NumberManufacturer
4001528 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5945-00-249-5843INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
40015-28

Frequently Asked Questions

What is NSN 2840-00-331-5572?

NSN 2840-00-331-5572 is a Seal,metallic,aircraft Gas Turbi, 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 2840-00-331-5572?

NSN 2840-00-331-5572 has 1 cross-referenced part number: 4001528 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-331-5572?

There is 1 known substitute for 2840-00-331-5572: 5945-00-249-5843. Verify interchangeability with system specifications before substitution.

What are the specifications of 4001528?

Key specifications for 4001528: Special Features: ITEM IS BACK SEAL AND NON INTERCHANGEABLE WITH P/N 4001529; Material: STEEL OVERALL; End Item Identification: ENGINE,ACFT,TURBOFAN,MODEL F100; Criticality Code Justification: MATT AND FEAT. 4 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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