The Fan,vaneaxial, cataloged under National Stock Number 4140-01-494-9843, 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 Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-494-9843 |
| Primary Part Number | SK3325115 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rittal Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BRACKET(S) |
| Length | 255.000 MILLIMETERS NOMINAL MM |
| Flow Direction | REVERSIBLE |
| Housing Inside Diameter | 222.000 MILLIMETERS NOMINAL MM |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 255.000 MILLIMETERS NOMINAL MM |
| Width | 105.000 MILLIMETERS NOMINAL MM |
| Material | STEEL HOUSING |
| Material | PLASTIC HOUSING OUTSIDE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 155.0 CUBIC FEET PER MINUTE MINIMUM AND 266.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| SK3325115 PRIMARY | Rittal Corp (USA) |
| Reference | Meaning |
|---|---|
| 310-00006 | 5/9 Secondary reference Production Control Units, Inc Div Production Control Units, Inc. |
NSN 4140-01-494-9843 is a Fan,vaneaxial, manufactured by Rittal Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-494-9843 has 1 manufacturer part number on file: SK3325115 (Rittal Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4920-01-576-3977, 4820-01-689-3475. Verify interchangeability with system specifications before substitution.
Key specifications for SK3325115: Mounting Facility Type and Quantity: 1 BRACKET(S); Length: 255.000 MILLIMETERS NOMINAL MM; Flow Direction: REVERSIBLE; Housing Inside Diameter: 222.000 MILLIMETERS NOMINAL MM. 13 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.