Seal, Air, Aircraft Gas Turbine En2840-01-090-1791
NSN 2840-01-090-1791 · NIIN 010901791 · Part number 4035493
Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 2B971
Government record, cited
NSN 2840-01-090-1791 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-090-1791. Manufacturer of record part number: 4035493.
Also searched as2840-01-090-1791 ·
2840010901791 ·
NIIN 010901791 ·
01-090-1791 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 2B971 · 4035493
Nearby stock numbers← 2840-01-090-1790 Seal, Air, Aircraft Gas Turbine En
·
2840-01-090-1792 Seal, Air, Aircraft Gas Turbine En →
Features
Seal,air,aircraft Gas Turbine En — FSC 2840
Criticality Code Justification: AGAV
2 manufacturer part numbers on file
Manufacturer of record: Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma
Identification
NSN: 2840-01-090-1791
NIIN: 010901791
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4035493
Manufacturer: Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma
General Description
The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-090-1791, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-090-1791
Primary Part Number
4035493
Item Name
Seal,air,aircraft Gas Turbine En
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma
Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma (USA)
No interchangeability data on file.
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL
Frequently Asked Questions
What is NSN 2840-01-090-1791?
NSN 2840-01-090-1791 is a Seal,air,aircraft Gas Turbine En, manufactured by Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-090-1791?
NSN 2840-01-090-1791 has 2 manufacturer part numbers on file: 4035493 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4035493 (Chromalloy Gas Turbine Llc Dba Chromalloy Oklahoma).
What are the specifications of 4035493?
Key specifications for 4035493: Criticality Code Justification: AGAV; Overall Length: 16.928 INCHES MINIMUM AND 16.998 INCHES MAXIMUM IN; Special Features: FOR STAGES 4 AND 5; End Item Identification: ACFT ENG F100-PW-100. 1 specification is documented in the U.S. Government catalog.
Is NSN 2840-01-090-1791 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 2840-01-090-1791?
NSN 2840-01-090-1791 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.