The Fan,centrifugal, cataloged under National Stock Number 4140-01-554-8365, 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 Mechatronics, Inc. Div National Precision Bearing. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-554-8365 |
| Primary Part Number | F1238X12B1-FH-752 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Mechatronics, Inc. Div National Precision Bearing |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Length | 1.500 INCHES NOMINAL IN |
| Housing Inside Diameter | 4.130 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Height | 4.680 INCHES NOMINAL IN |
| Width | 4.680 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 130.0 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 |
|---|---|
| F1238X12B1-FH-752 PRIMARY | Mechatronics, Inc. Div National Precision Bearing (USA) |
NSN 4140-01-554-8365 is a Fan,centrifugal, manufactured by Mechatronics, Inc. Div National Precision Bearing, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-554-8365 has 1 manufacturer part number on file: F1238X12B1-FH-752 (Mechatronics, Inc. Div National Precision Bearing).
Key specifications for F1238X12B1-FH-752: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Length: 1.500 INCHES NOMINAL IN; Housing Inside Diameter: 4.130 INCHES NOMINAL IN; Drive Type: DIRECT. 9 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.