The Fan,centrifugal, cataloged under National Stock Number 4140-01-050-5100, 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 Kooltronic, Inc.. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-050-5100 |
| Primary Part Number | KPL729A |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 RACK |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.562 INCHES NOMINAL IN |
| Length | 9.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.107 HORSEPOWER |
| Quantity | 2 |
| Style Designator | FIXED, DUAL, RECTANGULAR OUTLETS |
| Features Provided | AIR FILTER AND LOUVER |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS AND 52.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR UP |
| Outlet Inside Width | 4.875 INCHES NOMINAL IN |
| Height | 7.000 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3250.0 |
| Surface Treatment | PHOSPHATE AND ENAMEL HOUSING |
| Width | 19.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE AND COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CORD W/ATTACHED PLUG |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 475.0 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 |
|---|---|
| KPL729A PRIMARY | Kooltronic, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7905231 | 7/2 Vendor item drawing reference U.S. Government activity |
| 7905231-00 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4140-01-050-5100 is a Fan,centrifugal, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-050-5100 has 1 manufacturer part number on file: KPL729A (Kooltronic, Inc.).
Key specifications for KPL729A: Mounting Facility Type and Quantity: 1 RACK; Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Inclosure Type: FULLY INCLOSED. 26 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.