The Fan,centrifugal, cataloged under National Stock Number 4140-01-244-6737, 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 Jenn-Air Co Div of Maytag Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-244-6737 |
| Primary Part Number | 121CW |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Jenn-Air Co Div of Maytag Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.250 HORSEPOWER |
| Style Designator | FIXED |
| Discharge Direction | HORIZONTAL |
| Operating Speed at Rated Capacity in RPM | 1140.0 |
| Environmental Protection | WEATHERPROOF |
| Material | ALUMINUM ALLOY OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1760.0 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 |
|---|---|
| 121CW PRIMARY | Jenn-Air Co Div of Maytag Corp (USA) |
| 1925K56 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 121CW | 5/9 Secondary reference Snydergeneral Corp Commercial Products Group |
| 1925K4 | 3/9 Design control — primary reference Mcmaster-Carr Supply Co |
NSN 4140-01-244-6737 is a Fan,centrifugal, manufactured by Jenn-Air Co Div of Maytag Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-244-6737 has 2 manufacturer part numbers on file: 121CW (Jenn-Air Co Div of Maytag Corp), 1925K56 (Mcmaster-Carr Supply Co).
Key specifications for 121CW: Mounting Facility Type and Quantity: 1 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 17 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.