PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4056T05P09Seal,air,aircraft Gas Turbine En

Eaton Corporation Div Fed · NSN 2840-01-412-7537 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-412-7537 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-412-7537. Primary manufacturer part number: 4056T05P09.
Features
  • Seal,air,aircraft Gas Turbine En — FSC 2840
  • 7 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Fed
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-412-7537, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Eaton Corporation Div Fed. This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-412-7537
Primary Part Number4056T05P09
Item NameSeal,air,aircraft Gas Turbine En
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerEaton Corporation Div Fed
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5306-00-298-864011977 INTERCHANGEABLE
Bolt,machine
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5365-00-597-1326 INTERCHANGEABLE
Shim
5950-00-725-694211977 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
1650-00-757-447811977 INTERCHANGEABLE
Spacer,seat,pilot V
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
8920-01-333-236411977 INTERCHANGEABLE
Cereal,oat Bran
General Mills Inc
2840-01-413-16944056T05P10 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Eaton Corporation Div Fed
9510-01-450-879711977 INTERCHANGEABLE
Bar,metal
Tulsa Winch, Inc.
5305-01-547-714311977 INTERCHANGEABLE
Screw,machine
Aimpoint Inc Dba Aimpoint Inc
6515-01-573-9777C8373-3 INTERCHANGEABLE
Magnifier
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
10158765 Nimikkeistokeskus Ncb Finland (FIN)
4056T05P09 PRIMARY Eaton Corporation Div Fed (USA)
11977 Eaton Corporation Div Fed (USA)
4056T05P09 Jetseal Inc (USA)
4056T05 General Electric Company Dba Ge Aerospace (USA)
4056T05P09 PRIMARY General Electric Company Dba Ge Aerospace (USA)
4056T05P09 Octagon Industries Inc (USA)
Related Parts
5306-00-298-8640INTERCHANGEABLE
BOLT,MACHINE
11977
5365-00-597-1326INTERCHANGEABLE
SHIM
5950-00-725-6942INTERCHANGEABLE
TRANSFORMER,POWER
11977
1650-00-757-4478INTERCHANGEABLE
SPACER,SEAT,PILOT V
11977
8920-01-333-2364INTERCHANGEABLE
CEREAL,OAT BRAN
11977
2840-01-413-1694INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
4056T05P10
9510-01-450-8797INTERCHANGEABLE
BAR,METAL
11977
5305-01-547-7143INTERCHANGEABLE
SCREW,MACHINE
11977
6515-01-573-9777INTERCHANGEABLE
MAGNIFIER
C8373-3

Frequently Asked Questions

What is NSN 2840-01-412-7537?

NSN 2840-01-412-7537 is a Seal,air,aircraft Gas Turbine En, manufactured by Eaton Corporation Div Fed, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-412-7537?

NSN 2840-01-412-7537 has 7 cross-referenced part numbers: 10158765 (Nimikkeistokeskus Ncb Finland), 4056T05P09 (Eaton Corporation Div Fed), 11977 (Eaton Corporation Div Fed), 4056T05P09 (Jetseal Inc), 4056T05 (General Electric Company Dba Ge Aerospace) and 2 more.

What NSN replaces 2840-01-412-7537?

There are 9 known substitutes for 2840-01-412-7537: 5306-00-298-8640, 5365-00-597-1326, 5950-00-725-6942 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4056T05P09?

Key specifications for 4056T05P09: Special Features: MATERIAL: AMS 5544; FREE HEIGHT: 0.214-0.227;. 1 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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