The Guard,fan Impeller, cataloged under National Stock Number 4140-01-398-0199, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-398-0199 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Method | SCREW OR HOLE |
| Shape | ROUND |
| Body Material | STEEL CORROSION RESISTING |
| Surface Treatment | CADMIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200-0392-01 | 3/9 Design control — primary reference Safran Cabin Sterling, Inc. |
| 200-392 | 5/9 Secondary reference Safran Cabin Sterling, Inc. |
NSN 4140-01-398-0199 is a Guard,fan Impeller, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-398-0199: Overall Height: 8.750 INCHES NOMINAL IN; Mounting Method: SCREW OR HOLE; Shape: ROUND; Overall Length: 8.750 INCHES NOMINAL IN. 4 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.