Seal, Air, Aircraft Gas Turbine En2840-01-396-8876
NSN 2840-01-396-8876 · NIIN 013968876 · Part number 4076424
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-01-396-8876 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-396-8876. Manufacturer of record part number: 4076424.
Also searched as2840-01-396-8876 ·
2840013968876 ·
NIIN 013968876 ·
01-396-8876 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4076424
Nearby stock numbers← 2840-01-396-8512 Shaft, Turbine, Aircraft Gas Turbi
·
2840-01-396-8877 Seal, Air, Aircraft Gas Turbine En →
Features
Seal,air,aircraft Gas Turbine En — FSC 2840
Stage Number: 10
Design Type: AXIAL COMPRESSOR
Criticality Code Justification: ABHP AND ABMZ AND CZBJ AND CZCJ
Material Document and Classification: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Diameter: 19.700 INCHES MINIMUM AND 19.740 INCHES MAXIMUM IN
Engine Section Location: COMPRESSOR
Material: NICKEL ALLOY OVERALL
Identification
NSN: 2840-01-396-8876
NIIN: 013968876
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4076424
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-396-8876, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 specifications, 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
2840-01-396-8876
Primary Part Number
4076424
Item Name
Seal,air,aircraft Gas Turbine En
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Stage Number
10
Design Type
AXIAL COMPRESSOR
Criticality Code Justification
ABHP AND ABMZ AND CZBJ AND CZCJ
Material Document and Classification
AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Diameter
19.700 INCHES MINIMUM AND 19.740 INCHES MAXIMUM IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (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 2840-01-396-8876?
NSN 2840-01-396-8876 is a Seal,air,aircraft Gas Turbine En, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-396-8876?
NSN 2840-01-396-8876 has 2 manufacturer part numbers on file: 4076424 (Rtx Corporation Div Pratt & Whitney), 4076424 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 4076424?
Key specifications for 4076424: Stage Number: 10; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: ABHP AND ABMZ AND CZBJ AND CZCJ; Material Document and Classification: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-396-8876 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 2840-01-396-8876?
NSN 2840-01-396-8876 has DEMIL Code B. 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.