The Fan,centrifugal, cataloged under National Stock Number 4140-01-364-6966, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-364-6966 |
| Primary Part Number | 5542320-1 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 2 CLAMP |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.810 INCHES NOMINAL IN |
| Length | 8.720 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 975.0 WATTS |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -28.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Discharge Direction | ANGULAR UP |
| Outlet Inside Width | 3.720 INCHES NOMINAL IN |
| Height | 9.840 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3420.0 |
| Width | 15.500 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BOX |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1030.0 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 |
|---|---|
| 5542320-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 027974 | 3/2 Design control — primary reference U.S. Government activity |
| AD-502 469JF | 5/9 Secondary reference U.S. Government activity |
| 5542320 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4140-01-364-6966 is a Fan,centrifugal, manufactured by Naval Sea Systems Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-364-6966 has 1 manufacturer part number on file: 5542320-1 (Naval Sea Systems Command).
Key specifications for 5542320-1: Outlet Location: TOP; Mounting Facility Type and Quantity: 2 CLAMP; Speed Adjustments: SINGLE SPEED; Phase: THREE. 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.