The Impeller and Drive Disc Assembly, cataloged under National Stock Number 4140-01-218-3047, 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 National Oil Well Dba Iec Baylor. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Impeller and Drive Disc Assembly |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | National Oil Well Dba Iec Baylor (CAGE 58889) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-218-3047 |
| Primary Part Number | G4959202 |
| Item Name | Impeller and Drive Disc Assembly |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | National Oil Well Dba Iec Baylor |
| 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 |
|---|---|
| G4959202 PRIMARY | National Oil Well Dba Iec Baylor (USA) |
| Reference | Meaning |
|---|---|
| 4959202 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Delco Products Div Machine Control Systems |
| 4959202 | 5/9 Secondary reference National Oil Well Dba Iec Baylor |
NSN 4140-01-218-3047 is a Impeller and Drive Disc Assembly, manufactured by National Oil Well Dba Iec Baylor, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-218-3047 has 1 manufacturer part number on file: G4959202 (National Oil Well Dba Iec Baylor).
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.