The Fan,centrifugal, cataloged under National Stock Number 4140-01-244-0545, 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 Mcmaster-Carr Supply Co. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-244-0545 |
| Primary Part Number | 1937K3 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Mounting Facility Type and Quantity | 1 BASE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.500 INCHES NOMINAL IN |
| Length | 15.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.333 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED, DUAL, RECTANGULAR OUTLETS |
| Discharge Direction | HORIZONTAL AND VERTICAL DOWN |
| Outlet Inside Width | 22.000 INCHES NOMINAL IN |
| Height | 17.500 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Width | 30.500 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Air Flow Rate | 2010.0 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 |
|---|---|
| 1937K3 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| FFB-015FB-0100 | 5/9 Secondary reference Ilg Industries Inc |
NSN 4140-01-244-0545 is a Fan,centrifugal, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-244-0545 has 1 manufacturer part number on file: 1937K3 (Mcmaster-Carr Supply Co).
Key specifications for 1937K3: Outlet Location: BOTTOM; Mounting Facility Type and Quantity: 1 BASE; Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 21 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.