The Fan,ventilating, cataloged under National Stock Number 4140-01-671-4043, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163); Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (CAGE 62228) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-671-4043 |
| Primary Part Number | 51090-2 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 8592144-006 | Naval Sea Systems Command (USA) |
| 51090-2 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 51090-2 | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 513-8592144-001 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 513-8592238 FN 1 | 5/9 Secondary reference Naval Sea Systems Command |
| 51091-1 | D/9 Drawing number reference only Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 8592144-008 | 5/9 Secondary reference Naval Sea Systems Command |
| 513-8592238 FN 2 | 5/9 Secondary reference Naval Sea Systems Command |
| 8592144-001 | 5/9 Secondary reference Naval Sea Systems Command |
| 51090-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 8592144-002 | 5/9 Secondary reference Naval Sea Systems Command |
| P51090-1 | D/9 Drawing number reference only Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4140-01-671-4043 is a Fan,ventilating, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-671-4043 has 3 manufacturer part numbers on file: 8592144-006 (Naval Sea Systems Command), 51090-2 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 51090-2 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
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.