NSN 2840-00-280-3976 · NIIN 002803976 · Part number 4038606
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 2840-00-280-3976 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-280-3976. Manufacturer of record part number: 4038606.
Also searched as2840-00-280-3976 ·
2840002803976 ·
NIIN 002803976 ·
00-280-3976 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4038606
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-280-3976
NIIN: 002803976
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4038606
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Housing,antifriction Bearing,air, cataloged under National Stock Number 2840-00-280-3976, 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 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-280-3976
Primary Part Number
4038606
Item Name
Housing,antifriction Bearing,air
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
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 2840-00-280-3976?
NSN 2840-00-280-3976 is a Housing,antifriction Bearing,air, 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 2840-00-280-3976?
NSN 2840-00-280-3976 has 1 manufacturer part number on file: 4038606 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 4038606?
Key specifications for 4038606: Criticality Code Justification: AGAV; Engine Section Location: TURBINE; End Item Identification: ENGINE,ACFT,TURBOFAN,MODEL J57. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-280-3976 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 2840-00-280-3976?
NSN 2840-00-280-3976 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.