NSN 2840-01-499-7928 · NIIN 014997928 · Part number 777877
Rtx Corporation Div Pratt & Whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 52661
Government record, cited
NSN 2840-01-499-7928 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-499-7928. Manufacturer of record part number: 777877.
Also searched as2840-01-499-7928 ·
2840014997928 ·
NIIN 014997928 ·
01-499-7928 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 52661 · 777877
Nearby stock numbers← 2840-01-499-7526 Parts Kit, Gas Turbine Engine, Air
·
2840-01-499-8695 Case, Combustion Chamber, Aircraft →
Features
Housing,gearbox,turbine Engine — FSC 2840
Criticality Code Justification: AGAV
Reference Data and Literature: 2J-TF33-44 FIG 45 IND 37
Engine Section Location: ACCESSORY GEARBOX
2 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Div Pratt & Whitney
Identification
NSN: 2840-01-499-7928
NIIN: 014997928
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 777877
Manufacturer: Rtx Corporation Div Pratt & Whitney
General Description
The Housing,gearbox,turbine Engine, cataloged under National Stock Number 2840-01-499-7928, 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 Div Pratt & Whitney. Government technical data includes 3 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
2840-01-499-7928
Primary Part Number
777877
Item Name
Housing,gearbox,turbine Engine
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Beacon Industries, Inc. Dba Beacon Technology Co (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.
2840-00-000-0048
ENGINE,AIRCRAFT,TURBO-SHAFT
2840-00-000-0049
MODIFICATION KIT,ENGINE
2840-00-001-1741
CASE AND NOZZLE ASSEMBLY,TURBINE
2840-00-001-1743
2840-00-001-1743 · Item name not on file
2840-00-001-2117
2840-00-001-2117 · Item name not on file
2840-00-001-2284
2840-00-001-2284 · Item name not on file
2840-00-001-3922
2840-00-001-3922 · Item name not on file
2840-00-001-4903
SEAL,AIR,AIRCRAFT GAS TURBINE EN
Frequently Asked Questions
What is NSN 2840-01-499-7928?
NSN 2840-01-499-7928 is a Housing,gearbox,turbine Engine, manufactured by Rtx Corporation 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 2840-01-499-7928?
NSN 2840-01-499-7928 has 2 manufacturer part numbers on file: 777877 (Rtx Corporation Div Pratt & Whitney), 777877 (Beacon Industries, Inc. Dba Beacon Technology Co).
What are the specifications of 777877?
Key specifications for 777877: Criticality Code Justification: AGAV; Reference Data and Literature: 2J-TF33-44 FIG 45 IND 37; Engine Section Location: ACCESSORY GEARBOX; End Item Identification: TF33-100. 3 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-499-7928 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 2840-01-499-7928?
NSN 2840-01-499-7928 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.