The Stop,shaft,accessory Drive Gear, cataloged under National Stock Number 2840-00-656-8541, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-00-656-8541 |
| Primary Part Number | 1-070-011-01 |
| Item Name | Stop,shaft,accessory Drive Gear |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS 5070,BLACK OXIDE FINISH AMS 2485,ROCKWELL A SCALE 42 MIN,62 MAX,117 MIN,241 MAX BHN HARDNESS RATING,4 HOLES 0.039 IN. MIN,0.044 IN. MAX DIA,4 SLOTS,125 MICROIN FOR MIL-STD-10 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 |
|---|---|
| 1-070-011-01 PRIMARY | Ozark Aeroworks Llc (USA) |
| 1-070-011-01 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| Reference | Meaning |
|---|---|
| 1-070-011-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2840-00-656-8541 is a Stop,shaft,accessory Drive Gear, manufactured by Ozark Aeroworks Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-656-8541 has 2 manufacturer part numbers on file: 1-070-011-01 (Ozark Aeroworks Llc), 1-070-011-01 (Rolls-Royce Deutschland Ltd & Co Kg).
Key specifications for 1-070-011-01: General Characteristics Item Description: STEEL AMS 5070,BLACK OXIDE FINISH AMS 2485,ROCKWELL A SCALE 42 MIN,62 MAX,117 MIN,241 MAX BHN HARDNESS RATING,4 HOLES 0.039 IN. MIN,0.044 IN. MAX DIA,4 SLOTS,125 MICROIN FOR MIL-STD-10 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.