The Impeller,fan,axial, cataloged under National Stock Number 2930-00-133-9893, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-133-9893 |
| Primary Part Number | 73051938-3 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Style Designator | OVERLAPPING STRAIGHT TIP |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 0.375 INCHES NOMINAL IN |
| Diameter | 22.000 INCHES NOMINAL IN |
| Blade Quantity | 6 |
| Mounting Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Hub Location | FRONT |
| Material | STEEL OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 73051938-3 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 3051938-3 | 5/9 Secondary reference U.S. Government activity |
| 3051938-3 | 5/9 Secondary reference U.S. Government activity |
| 73051938 | 5/9 Secondary reference U.S. Government activity |
| 73042576 | 5/9 Secondary reference U.S. Government activity |
NSN 2930-00-133-9893 is a Impeller,fan,axial, manufactured by Kalmar AC Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-133-9893 has 1 manufacturer part number on file: 73051938-3 (Kalmar AC Inc).
Key specifications for 73051938-3: Mounting Hole Quantity: 4; Style Designator: OVERLAPPING STRAIGHT TIP; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 0.375 INCHES NOMINAL IN. 10 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.