The Fan,circulating, cataloged under National Stock Number 4140-01-533-5225, 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 Rittal North America Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-533-5225 |
| Primary Part Number | SK3128.110 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rittal North America Llc |
| Status | ACTIVE |
| Length | 11.000 INCHES NOMINAL IN |
| Height | 20.000 INCHES NOMINAL IN |
| Width | 4.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| SK3128.110 PRIMARY | Rittal North America Llc (USA) |
| 406-2047-010 | Continental Electronics Corp (USA) |
NSN 4140-01-533-5225 is a Fan,circulating, manufactured by Rittal North America Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-533-5225 has 2 manufacturer part numbers on file: SK3128.110 (Rittal North America Llc), 406-2047-010 (Continental Electronics Corp).
Key specifications for SK3128.110: Length: 11.000 INCHES NOMINAL IN; Height: 20.000 INCHES NOMINAL IN; Special Features: 2 BACKWARD CURVED IMPELLER 230V FANS, RATED AT 028/0.25 AMPS, 43/42 WATTS, 152/175 CMF AIR FLOW, 54/57 DBA, TEMPERATURE RANGE 23F TO 131F, NEMA 12/IP 54 PROTECTION RATING PER EN 60 529/10.91 V; Width: 4.500 INCHES NOMINAL IN. 3 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.