The Throat,impeller, cataloged under National Stock Number 2915-01-226-2147, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-226-2147 |
| Primary Part Number | 14478 |
| Item Name | Throat,impeller |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| FSC Application Data | F16 ACFT FUEL SYSTEM |
| General Characteristics Item Description | ALUM ALLOY A356-T6 PER AMS4218; 1.744 IN. OD,0.683 - 0.693 IN. H O/A; 1.1795 IN. ID,0.2375 IN. DP,REDUCED TO 1.138 IN. ID,0.2325 IN. DP; CENTER HOLE THRU 4-40UNC-3B THD CHAMFER 100 DEG 0.300 IN. DIA 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 |
|---|---|
| H14478 | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| 14478 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14478 | 5/9 Secondary reference Howden Fluid Systems |
| H14478 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 2915-01-226-2147 is a Throat,impeller, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-226-2147 has 2 manufacturer part numbers on file: H14478 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), 14478 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-413-3197, 5306-01-508-0585, 6520-01-581-0317. Verify interchangeability with system specifications before substitution.
Key specifications for 14478: FSC Application Data: F16 ACFT FUEL SYSTEM; General Characteristics Item Description: ALUM ALLOY A356-T6 PER AMS4218; 1.744 IN. OD,0.683 - 0.693 IN. H O/A; 1.1795 IN. ID,0.2375 IN. DP,REDUCED TO 1.138 IN. ID,0.2325 IN. DP; CENTER HOLE THRU 4-40UNC-3B THD CHAMFER 100 DEG 0.300 IN. DIA IN; End Item Identification: CARTRIDGE ASSY,FUEL TRANSFER PUMP,P/N 2491. 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 2915-01-226-2147 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.