The Fan,centrifugal, cataloged under National Stock Number 4140-00-601-5543, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-601-5543 |
| Primary Part Number | 50747-49G |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 1 FLANGE AND 3 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Length | 5.406 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.053 HORSEPOWER |
| Outlet Inside Diameter | 2.094 INCHES NOMINAL IN |
| Style Designator | FIXED,ROUND OUTLETS |
| Discharge Direction | HORIZONTAL |
| Height | 6.297 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 2700.0 |
| Surface Treatment | ENAMEL HOUSING |
| Environmental Protection | EXPLOSION PROOF |
| Width | 5.812 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 51.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| 50747-49G | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| SD03 | 3/9 Design control — primary reference Navcom Defense Electronics, Inc. |
NSN 4140-00-601-5543 is a Fan,centrifugal, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-601-5543 has 1 manufacturer part number on file: 50747-49G (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 50747-49G: Outlet Location: TOP; Mounting Facility Type and Quantity: 1 FLANGE AND 3 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 25 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.