The Fan,circulating, cataloged under National Stock Number 4140-01-186-9981, 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 Itw Industrial Finishing Dba Binks Devilbiss. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-186-9981 |
| Primary Part Number | 30-1600 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Itw Industrial Finishing Dba Binks Devilbiss |
| Status | ACTIVE |
| Drive Type | BELT |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Material | STEEL HOUSING |
| Material | ALUMINUM BLADE |
| 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 |
|---|---|
| 30-1600 PRIMARY | Itw Industrial Finishing Dba Binks Devilbiss (USA) |
NSN 4140-01-186-9981 is a Fan,circulating, manufactured by Itw Industrial Finishing Dba Binks Devilbiss, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-186-9981 has 1 manufacturer part number on file: 30-1600 (Itw Industrial Finishing Dba Binks Devilbiss).
1 possible match (shared part number, not a government interchangeability claim): 6540-01-614-9655. Verify interchangeability with system specifications before substitution.
Key specifications for 30-1600: Drive Type: BELT; Operating Speed at Rated Capacity in RPM: 1750.0; Material: STEEL HOUSING; Material: ALUMINUM BLADE. 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.