The Bearing and Housing Assembly,tur, cataloged under National Stock Number 2840-00-090-6580, 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 New Hampshire Ball Bearings Inc Div Astro Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-090-6580 |
| Primary Part Number | ATSB7-59 |
| Item Name | Bearing and Housing Assembly,tur |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT JET ENGINE,TF41 |
| General Characteristics Item Description | CRES,AMS5630 BEARING MATERIAL,CRES,AMS5643 HOUSING MATERIAL,POLYTETRAFLUOROETHYLENE GLASS FABRIC LINER MATERIAL,2.100-2.260 IN. FLANGE LG,1.020-1.080IN. FLANGE W,0.090-0.095 IN. FLANGE THK,TWO 0.217-0.228 IN. HOLES ON0.840-0.860 IN. CENTERLINE RADIUS ON FLANGE,0.874-0.875 IN. HOUSINGBODY OD,0.4370/-/4375 IN. BEARING ID,0.771-0.791 IN. BEARING OD IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 6869595,FSCM 73342 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2840-00-090-6580 is a Bearing and Housing Assembly,tur, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-090-6580 has 2 manufacturer part numbers on file: ATSB7-59 (New Hampshire Ball Bearings Inc Div Astro Division), 6869595 (Rolls-Royce Corporation).
Key specifications for ATSB7-59: FSC Application Data: AIRCRAFT JET ENGINE,TF41; General Characteristics Item Description: CRES,AMS5630 BEARING MATERIAL,CRES,AMS5643 HOUSING MATERIAL,POLYTETRAFLUOROETHYLENE GLASS FABRIC LINER MATERIAL,2.100-2.260 IN. FLANGE LG,1.020-1.080IN. FLANGE W,0.090-0.095 IN. FLANGE THK,TWO 0.217-0.228 IN. HOLES ON0.840-0.860 IN. CENTERLINE RADIUS ON FLANGE,0.874-0.875 IN. HOUSINGBODY OD,0.4370/-/4375 IN. BEARING ID,0.771-0.791 IN. BEARING OD IN; End Item Identification: ACFT ENG TF-41; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 6869595,FSCM 73342. 3 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 2840-00-090-6580 has DEMIL Code B. 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.