The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-930-4672, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-930-4672 |
| Primary Part Number | 11601289 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | STRAIGHT BLADES DOUBLE WIDTH |
| Attachment Method | BOLT HOLE |
| Diameter | 19.062 INCHES NOMINAL IN |
| Width | 5.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 11601289 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1R170-90D2082 | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
NSN 4140-00-930-4672 is a Impeller,fan,centrifugal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-930-4672 has 1 manufacturer part number on file: 11601289 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11601289: Style Designator: STRAIGHT BLADES DOUBLE WIDTH; Attachment Method: BOLT HOLE; Diameter: 19.062 INCHES NOMINAL IN; Width: 5.875 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.