The Fan,vaneaxial, cataloged under National Stock Number 4140-01-307-9783, 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 Dynamic Air Engineering, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-307-9783 |
| Primary Part Number | M7921G-1B |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Dynamic Air Engineering, Inc. |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Voltage in Volts and Current Type | 200.0 AC |
| Prime Mover Type | ELECTRIC MOTOR |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DRAWING NO |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 4140-01-307-9783 is a Fan,vaneaxial, manufactured by Dynamic Air Engineering, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-307-9783 has 2 manufacturer part numbers on file: 11605-004 (Ametek Thermal Systems Inc), M7921G-1B (Dynamic Air Engineering, Inc.).
Key specifications for M7921G-1B: Phase: THREE; Frequency in Hertz: 400.0; Voltage in Volts and Current Type: 200.0 AC; End Item Identification: MH-53E HELO. 5 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.