The Fan,centrifugal, cataloged under National Stock Number 4140-01-196-3906, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-196-3906 |
| Primary Part Number | KBR75 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 1 FLANGE AND 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.625 INCHES NOMINAL IN |
| Length | 10.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.002 HORSEPOWER |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Features Provided | THERMAL PROTECTIVE DEVICE |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 1.625 INCHES NOMINAL IN |
| Height | 7.625 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3300.0 |
| Surface Treatment | ENAMEL OVERALL |
| Width | 5.875 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 100.0 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 |
|---|---|
| KBR75 PRIMARY | Kooltronic, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 100291-00-00 | 5/9 Secondary reference Kooltronic, Inc. |
| KBR75 | 3/9 Design control — primary reference Esco Inc |
| 100291-00-00-KBR75 | C/1 Advisory reference — outside the item-of-supply concept Kooltronic, Inc. |
NSN 4140-01-196-3906 is a Fan,centrifugal, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-196-3906 has 1 manufacturer part number on file: KBR75 (Kooltronic, Inc.).
Key specifications for KBR75: Outlet Location: TOP; Mounting Facility Type and Quantity: 1 FLANGE AND 4 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.