The Housing,gearbox,turbine Engine, cataloged under National Stock Number 2840-01-474-1666, 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 Testek Llc Dba Testek Solutions. Government technical data includes 2 specifications, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-474-1666 |
| Primary Part Number | 101991-I613 |
| Item Name | Housing,gearbox,turbine Engine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Engine Section Location | ACCESSORY GEARBOX |
| Material | STEEL HOUSING |
| 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 |
|---|---|
| 101996 | Testek Llc Dba Testek Solutions (USA) |
| 101991-I613 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
NSN 2840-01-474-1666 is a Housing,gearbox,turbine Engine, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-474-1666 has 2 manufacturer part numbers on file: 101996 (Testek Llc Dba Testek Solutions), 101991-I613 (Testek Llc Dba Testek Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-508-7097. Verify interchangeability with system specifications before substitution.
Key specifications for 101991-I613: Overall Height: 36.000 INCHES NOMINAL IN; Overall Length: 24.000 INCHES NOMINAL IN; Overall Width: 24.000 INCHES NOMINAL IN; Engine Section Location: ACCESSORY GEARBOX. 2 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.
NSN 2840-01-474-1666 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.