The Housing,turbine Bearing Support, cataloged under National Stock Number 2840-00-152-3789, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-152-3789 |
| Item Name | Housing,turbine Bearing Support |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | TITANIUM ALLOY,ANNEALED,M3400; ROCKWELL C SCALE 36 MAX HARDNESS;4.724 IN. MIN,4.725 IN. MAX ID; 6.839 IN. MIN,6.840 IN. MAX OD;2.163 IN. MIN,2.167 IN. MAX LG; 3 HOLES,0.220 IN. DIA ON 6.370 IN. BOLTCIRCLE DIA; 2 HOLES,0.310 IN. MIN,0.317 IN. MAX DIA ON 5.300 IN.BOLTCIRCLE DIA;20 HOLES 0.280 IN. DIA ON 5.250 IN. BOLT CIRCLE DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2-141-073-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-00-152-3789 is a Housing,turbine Bearing Support, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-00-152-3789: General Characteristics Item Description: TITANIUM ALLOY,ANNEALED,M3400; ROCKWELL C SCALE 36 MAX HARDNESS;4.724 IN. MIN,4.725 IN. MAX ID; 6.839 IN. MIN,6.840 IN. MAX OD;2.163 IN. MIN,2.167 IN. MAX LG; 3 HOLES,0.220 IN. DIA ON 6.370 IN. BOLTCIRCLE DIA; 2 HOLES,0.310 IN. MIN,0.317 IN. MAX DIA ON 5.300 IN.BOLTCIRCLE DIA;20 HOLES 0.280 IN. DIA ON 5.250 IN. BOLT CIRCLE DIA IN; End Item Identification: T-55 SERIES ENGINES. 1 specification is 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 2840-00-152-3789 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.