The Guard,fan Impeller, cataloged under National Stock Number 4140-01-124-8904, 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.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-124-8904 |
| Primary Part Number | 2-101048-02 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 2-101048-02 | Kooltronic, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-101048-01 | 5/9 Secondary reference Kooltronic, Inc. |
| KPG525-19 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4140-01-124-8904 is a Guard,fan Impeller, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-124-8904 has 1 manufacturer part number on file: 2-101048-02 (Kooltronic, Inc.).
Key specifications for 2-101048-02: Special Features: STAINLESS STEEL,ENAMEL FINISH;19.000 IN.WIDE,5.125 IN.H;ONE MTG SLOT EA END,CENTERED 0.750 IN.FROM ENDS ON LONGITUDINAL CENTER LINE;TWO THUMBNUTS;TWO RETAINING CLIPS; IN; End Item Identification: AIRCRAFT,MCDONNELL F/TF-15A A. 0 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.