The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-132-0032, 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 Kooltronic, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-132-0032 |
| Primary Part Number | 12055CCW |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Style Designator | STRAIGHT BLADES SINGLE WIDTH |
| Attachment Method | SETSCREW |
| Diameter | 3.125 INCHES NOMINAL IN |
| Blade Quantity | 28 |
| Width | 1.875 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 12055CCW PRIMARY | Kooltronic, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12055CCW | 3/9 Design control — primary reference Esco Inc |
| 31-128CCW5/16BORE-STEEL | 5/9 Secondary reference Emerson Electric Co |
| 31-128CCW5/16BORE-STEEL | 5/9 Secondary reference U.S. Government activity |
| 12055CCW | 5/9 Secondary reference Equipto Electronics Corp |
NSN 4140-01-132-0032 is a Impeller,fan,centrifugal, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-132-0032 has 1 manufacturer part number on file: 12055CCW (Kooltronic, Inc.).
Key specifications for 12055CCW: Criticality Code Justification: FEAT; Style Designator: STRAIGHT BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 3.125 INCHES NOMINAL IN. 8 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.