The Fan,centrifugal, cataloged under National Stock Number 4140-01-024-5861, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-024-5861 |
| Primary Part Number | 917139-2 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 1.422 INCHES NOMINAL IN |
| Length | 7.219 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Discharge Direction | VERTICAL UP |
| Outlet Inside Width | 4.188 INCHES NOMINAL IN |
| Height | 7.125 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1650.0 |
| Environmental Protection | SHOCK PROOF AND VIBRATION PROOF |
| Width | 12.374 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 260.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| BC2918B-21-1 | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| 791703 PIECE 128 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 917139-2 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 792306 PIECE 137 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| C7Z22P-1 | Ashland Electric Products Inc (USA) |
NSN 4140-01-024-5861 is a Fan,centrifugal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-024-5861 has 5 manufacturer part numbers on file: BC2918B-21-1 (Curtiss-Wright Controls Integrated Sensing, Inc.), 791703 PIECE 128 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 917139-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 792306 PIECE 137 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), C7Z22P-1 (Ashland Electric Products Inc).
Key specifications for 917139-2: Outlet Location: TOP; Mounting Facility Type and Quantity: 2 FLANGE AND 8 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 24 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.