PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

431055Stiffener,exhaust Strut

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-159-6731 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-159-6731 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-159-6731. Primary manufacturer part number: 431055.
Features
  • Stiffener,exhaust Strut — FSC 2840
  • Material: STEEL
  • Criticality Code Justification: AGAV
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Applications requiring Steel construction
General Description

The Stiffener,exhaust Strut, cataloged under National Stock Number 2840-01-159-6731, 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
NSN2840-01-159-6731
Primary Part Number431055
Item NameStiffener,exhaust Strut
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialSTEEL
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-286-6830252 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
Cross-Reference Index
Part NumberManufacturer
431055 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-286-6830INTERCHANGEABLE
SEAL,PLAIN ENCASED
252

Frequently Asked Questions

What is NSN 2840-01-159-6731?

NSN 2840-01-159-6731 is a Stiffener,exhaust Strut, 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 2840-01-159-6731?

NSN 2840-01-159-6731 has 1 cross-referenced part number: 431055 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-159-6731?

There is 1 known substitute for 2840-01-159-6731: 5330-00-286-6830. Verify interchangeability with system specifications before substitution.

What are the specifications of 431055?

Key specifications for 431055: Overall Length: 0.925 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN; End Item Identification: ACFT ENG TF33; Material: STEEL; Criticality Code Justification: AGAV. 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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