The Cylinder,power Turbine, cataloged under National Stock Number 2840-00-604-1453, 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 Ozark Aeroworks Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-00-604-1453 |
| Primary Part Number | 1-140-056-07 |
| Item Name | Cylinder,power Turbine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| General Characteristics Item Description | BARS AND FORGINGS AMS 5645,ROCKWELL B SCALE 90 MAX,185 BHN MAX HARDNESS RATING,44 HOLES EQUALLY SPACED 0.1900 IN. 32 NF SERIES,CLASS 2B,22 HOLES EQUALLY SPACED EXCEPT ONE HOLE,OFFSET 0.2500 IN. 28 UNF SERIES,CLASS 2B,72 HOLES 0.020 IN. MIN,0.030 IN. MAX BREAKEDGES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1-140-056-07 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| 1-140-056-07 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-140-056-07 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2840-00-604-1453 is a Cylinder,power Turbine, manufactured by Ozark Aeroworks Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-604-1453 has 2 manufacturer part numbers on file: 1-140-056-07 (Rolls-Royce Deutschland Ltd & Co Kg), 1-140-056-07 (Ozark Aeroworks Llc).
Key specifications for 1-140-056-07: General Characteristics Item Description: BARS AND FORGINGS AMS 5645,ROCKWELL B SCALE 90 MAX,185 BHN MAX HARDNESS RATING,44 HOLES EQUALLY SPACED 0.1900 IN. 32 NF SERIES,CLASS 2B,22 HOLES EQUALLY SPACED EXCEPT ONE HOLE,OFFSET 0.2500 IN. 28 UNF SERIES,CLASS 2B,72 HOLES 0.020 IN. MIN,0.030 IN. MAX BREAKEDGES IN; End Item Identification: T-53 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.
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.