The Blade,turbine Rotor,nonaircraft, cataloged under National Stock Number 2835-01-148-4951, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-01-148-4951 |
| Primary Part Number | B-74821 |
| Item Name | Blade,turbine Rotor,nonaircraft |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-861 CLASS 422HT MIL SPEC SINGLE MATERIAL RESPONSE BLADE |
| Material Thickness | 0.820 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| 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 |
|---|---|
| B-74821 PRIMARY | Siemens Energy, Inc. (USA) |
| RAC-410ETX4 | Siemens Energy, Inc. (USA) |
| E-27816 PIECE 13 | Siemens Energy, Inc. (USA) |
NSN 2835-01-148-4951 is a Blade,turbine Rotor,nonaircraft, manufactured by Siemens Energy, Inc., classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-01-148-4951 has 3 manufacturer part numbers on file: B-74821 (Siemens Energy, Inc.), RAC-410ETX4 (Siemens Energy, Inc.), E-27816 PIECE 13 (Siemens Energy, Inc.).
Key specifications for B-74821: Material Document and Classification: MIL-S-861 CLASS 422HT MIL SPEC SINGLE MATERIAL RESPONSE BLADE; Overall Length: 2.423 INCHES NOMINAL IN; Overall Width: 0.955 INCHES NOMINAL IN; Material Thickness: 0.820 INCHES NOMINAL IN. 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.
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.