The Fan,centrifugal, cataloged under National Stock Number 4140-01-391-9991, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-391-9991 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Length | 12.370 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Quantity | 2 |
| Style Designator | FIXED, DUAL, RECTANGULAR OUTLETS |
| Height | 11.630 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1650.0 |
| Surface Treatment | PAINT OVERALL |
| Width | 18.970 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Air Flow Rate | 600.0 CUBIC FEET PER MINUTE MINIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| R2EB612A13 | 5/9 Secondary reference Zero Corp Mclean Engineering Div |
| 020-001303-001 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| P41922 | 3/9 Design control — primary reference Regal-Beloit Corporation Dba Fasco Group Div Cassville Division |
NSN 4140-01-391-9991 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-391-9991: Frequency in Hertz: 60.0; Length: 12.370 INCHES NOMINAL IN; Voltage in Volts and Current Type: 115.0 AC; Quantity: 2. 12 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.