The Housing,antifriction Bearing,air, cataloged under National Stock Number 2840-00-343-7899, 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 Barnes Group Inc. Div Windsor Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-343-7899 |
| Primary Part Number | 4035897 |
| Item Name | Housing,antifriction Bearing,air |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Barnes Group Inc. Div Windsor Division |
| Status | ACTIVE |
| Criticality Code Justification | ABMZ AND ABHP AND MATT |
| Diameter | 11.960 INCHES MINIMUM AND 11.970 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4035897 PRIMARY | Barnes Group Inc. Div Windsor Division (USA) |
| 4035897 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4035897 | Hanwha Aerospace Co., Ltd Div Ps Business Unit (KOR) |
| Reference | Meaning |
|---|---|
| KDS 2840-1150 | 5/1 Secondary reference Defense Acquisition Program Administration, R.o.k |
NSN 2840-00-343-7899 is a Housing,antifriction Bearing,air, manufactured by Barnes Group Inc. Div Windsor Division, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-343-7899 has 3 manufacturer part numbers on file: 4035897 (Barnes Group Inc. Div Windsor Division), 4035897 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4035897 (Hanwha Aerospace Co., Ltd Div Ps Business Unit).
Key specifications for 4035897: Criticality Code Justification: ABMZ AND ABHP AND MATT; Diameter: 11.960 INCHES MINIMUM AND 11.970 INCHES MAXIMUM IN; Overall Length: 1.690 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN; Engine Section Location: TURBINE. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2840-00-343-7899 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.