PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4080811Seal Ring,labyrinth,aircraft Gas

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-381-6850 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-381-6850 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-381-6850. Primary manufacturer part number: 4080811.
Features
  • Seal Ring,labyrinth,aircraft Gas — FSC 2840
  • Diameter: 7.179 INCHES MINIMUM AND 7.181 INCHES MAXIMUM IN
  • Material: TITANIUM OVERALL
  • Engine Section Location: TURBINE
  • Criticality Code Justification: AGAV
  • 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 Titanium Overall construction
General Description

The Seal Ring,labyrinth,aircraft Gas, cataloged under National Stock Number 2840-01-381-6850, 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 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-381-6850
Primary Part Number4080811
Item NameSeal Ring,labyrinth,aircraft Gas
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Diameter7.179 INCHES MINIMUM AND 7.181 INCHES MAXIMUM IN
MaterialTITANIUM OVERALL
Engine Section LocationTURBINE
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-275-0143203SZZ1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
4080811 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
2840PL0711367 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3110-00-275-0143INTERCHANGEABLE
BEARING,BALL,ANNULAR
203SZZ1

Frequently Asked Questions

What is NSN 2840-01-381-6850?

NSN 2840-01-381-6850 is a Seal Ring,labyrinth,aircraft Gas, 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 2840-01-381-6850?

NSN 2840-01-381-6850 has 2 cross-referenced part numbers: 4080811 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2840PL0711367 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 2840-01-381-6850?

There is 1 known substitute for 2840-01-381-6850: 3110-00-275-0143. Verify interchangeability with system specifications before substitution.

What are the specifications of 4080811?

Key specifications for 4080811: End Item Identification: F100PW0229 ACFT ENG; Diameter: 7.179 INCHES MINIMUM AND 7.181 INCHES MAXIMUM IN; Material: TITANIUM OVERALL; Overall Length: 2.535 INCHES MINIMUM AND 2.545 INCHES MAXIMUM IN. 6 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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