Seal, Air, Aircraft Gas Turbine En2840-01-395-6771
NSN 2840-01-395-6771 · NIIN 013956771 · Part number 4081636
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 2840-01-395-6771 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-395-6771. Manufacturer of record part number: 4081636.
Also searched as2840-01-395-6771 ·
2840013956771 ·
NIIN 013956771 ·
01-395-6771 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4081636
Criticality Code Justification: APGF AND CZBJ AND ABMZ AND CZCJ
Diameter: 16.634 INCHES MINIMUM AND 16.638 INCHES MAXIMUM IN
Engine Section Location: COMPRESSOR
Material: TITANIUM ALLOY OVERALL
4 manufacturer part numbers on file
Identification
NSN: 2840-01-395-6771
NIIN: 013956771
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4081636
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-395-6771, 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 6 specifications, cited from the U.S. Government catalog. The record lists 4 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
2840-01-395-6771
Primary Part Number
4081636
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
6
Design Type
COMPRESSOR
Criticality Code Justification
APGF AND CZBJ AND ABMZ AND CZCJ
Diameter
16.634 INCHES MINIMUM AND 16.638 INCHES MAXIMUM IN
Chromalloy Gas Turbine Llc Div Chromalloy Georgia (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 2840-01-395-6771?
NSN 2840-01-395-6771 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 2840-01-395-6771?
NSN 2840-01-395-6771 has 4 manufacturer part numbers on file: 4081636 (Mcclain International Inc), 4081636 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4081636 (Rtx Corporation Div Pratt & Whitney), 4081636 (Chromalloy Gas Turbine Llc Div Chromalloy Georgia).
What are the specifications of 4081636?
Key specifications for 4081636: Stage Number: 6; Design Type: COMPRESSOR; Criticality Code Justification: APGF AND CZBJ AND ABMZ AND CZCJ; Diameter: 16.634 INCHES MINIMUM AND 16.638 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-395-6771 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 2840-01-395-6771?
NSN 2840-01-395-6771 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.