The Shaft,overspeed Governor and Tac, cataloged under National Stock Number 2840-00-522-2351, 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 Rolls-Royce Deutschland Ltd & Co Kg. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-522-2351 |
| Primary Part Number | 1-160-411-01 |
| Item Name | Shaft,overspeed Governor and Tac |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Deutschland Ltd & Co Kg |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS6382,BLACK OXIDE FINISH AMS2481,ROCKWELL C SCALE 30 MIN,34MAX HARDNESS,6.250 IN. NOM O/A LG,0.250 IN. NOM INTERMEDIATE SHAFT OD,BOTH ENDS EXTERNAL SPLINE,7 TEETH,0.395 IN. MIN,0.400 IN. MAX OD,0.3500IN. NOM PITCH DIA,30 DEG PRESSURE ANGLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1-160-411-01 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| Reference | Meaning |
|---|---|
| 1-160-411-01 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 1-160-411-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2840-00-522-2351 is a Shaft,overspeed Governor and Tac, manufactured by Rolls-Royce Deutschland Ltd & Co Kg, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-522-2351 has 1 manufacturer part number on file: 1-160-411-01 (Rolls-Royce Deutschland Ltd & Co Kg).
Key specifications for 1-160-411-01: General Characteristics Item Description: STEEL AMS6382,BLACK OXIDE FINISH AMS2481,ROCKWELL C SCALE 30 MIN,34MAX HARDNESS,6.250 IN. NOM O/A LG,0.250 IN. NOM INTERMEDIATE SHAFT OD,BOTH ENDS EXTERNAL SPLINE,7 TEETH,0.395 IN. MIN,0.400 IN. MAX OD,0.3500IN. NOM PITCH DIA,30 DEG PRESSURE ANGLE IN. 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 2840-00-522-2351 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.