The Fan,centrifugal, cataloged under National Stock Number 4140-01-327-2844, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-327-2844 |
| Primary Part Number | K2P729B-4 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| Outlet Location | CENTER |
| Mounting Facility Type and Quantity | 4 SLOT |
| Speed Adjustments | SINGLE SPEED |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 4.000 INCHES NOMINAL IN |
| Length | 8.250 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 185.0 WATTS |
| Quantity | 2 |
| Style Designator | FIXED, DUAL, RECTANGULAR OUTLETS |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 4.750 INCHES NOMINAL IN |
| Height | 7.000 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3250.0 |
| Width | 19.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 | 470.0 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 |
|---|---|
| K2P729B-4 PRIMARY | Kooltronic, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 60585-40045 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-327-2844 is a Fan,centrifugal, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-327-2844 has 1 manufacturer part number on file: K2P729B-4 (Kooltronic, Inc.).
Key specifications for K2P729B-4: Outlet Location: CENTER; Mounting Facility Type and Quantity: 4 SLOT; Speed Adjustments: SINGLE SPEED; Inclosure Type: FULLY INCLOSED. 22 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.