The Fan,ventilating, cataloged under National Stock Number 4140-01-661-8742, 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 Global Industrial and Domestic Supplies Dba Supplying Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-661-8742 |
| Primary Part Number | WGB2158931 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Global Industrial and Domestic Supplies Dba Supplying Company |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 21.00 INCHES NOMINAL IN |
| Environmental Protection | CORROSION RESISTANT |
| Material | GLASS FIBER HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Air Flow Rate | 1961.0 CUBIC FEET PER MINUTE MINIMUM AND 2790.00 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| WGB2158931 | Global Industrial and Domestic Supplies Dba Supplying Company (USA) |
| T9FB2158931 | Global Industrial and Domestic Supplies Dba Supplying Company (USA) |
| Reference | Meaning |
|---|---|
| CRF 18A | 3/9 Design control — primary reference Air-Flo Mfg, Co. Inc. Dba Air-Flo |
NSN 4140-01-661-8742 is a Fan,ventilating, manufactured by Global Industrial and Domestic Supplies Dba Supplying Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-661-8742 has 2 manufacturer part numbers on file: WGB2158931 (Global Industrial and Domestic Supplies Dba Supplying Company), T9FB2158931 (Global Industrial and Domestic Supplies Dba Supplying Company).
Key specifications for WGB2158931: Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0; Inclosure Type: PARTIALLY INCLOSED. 11 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.