The Fan,centrifugal, cataloged under National Stock Number 4140-00-042-6423, 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 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-00-042-6423 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Mounting Facility Type and Quantity | 4 BOLT |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 1.580 INCHES NOMINAL IN |
| Length | 7.280 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 30.0 WATTS |
| Style Designator | FIXED, INVERTED, RECTANGULAR OUTLET |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 2.700 INCHES NOMINAL IN |
| Height | 7.840 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1700.0 |
| Surface Treatment | PAINT HOUSING INSIDE |
| Surface Treatment | PAINT HOUSING OUTSIDE |
| Environmental Protection | DUSTPROOF |
| Width | 3.840 INCHES NOMINAL IN |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 76.8 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 |
| Reference | Meaning |
|---|---|
| E1341-6 | 5/9 Secondary reference U.S. Government activity |
| 81306080 | 7/2 Vendor item drawing reference Bae Systems Information and Electronic Systems Integration Inc. |
| B53B7L-11 | 3/9 Design control — primary reference Eastern Air Devices Inc Dba Ead Motors |
NSN 4140-00-042-6423 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-00-042-6423: Outlet Location: BOTTOM OR TOP; Mounting Facility Type and Quantity: 4 BOLT; Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 27 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.