The Impeller,fan,axial, cataloged under National Stock Number 4140-00-849-9295, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Joy Mfg Co Air Power Group Michigan City Plant. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-849-9295 |
| Primary Part Number | 91639-1 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Joy Mfg Co Air Power Group Michigan City Plant |
| Status | ACTIVE |
| Hub Location | CENTER |
| Style Designator | OVERLAPPING ROUNDED TIP |
| Attachment Method | KEYWAY |
| Blade Quantity | 5 |
| Material | ALUMINUM OVERALL |
| Diameter | 2.828 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4140-00-849-9295 is a Impeller,fan,axial, manufactured by Joy Mfg Co Air Power Group Michigan City Plant, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-849-9295 has 4 cross-referenced part numbers: 91639-1 (Joy Mfg Co Air Power Group Michigan City Plant), 91639-1 (Hamilton Sundstrand Corporation), 91639-1 (Rtx Corporation Div Pratt & Whitney), 91639-1 (Joy Global Underground Mining Llc).
There is 1 known substitute for 4140-00-849-9295: 4820-01-012-6844. Verify interchangeability with system specifications before substitution.
Key specifications for 91639-1: Hub Location: CENTER; Style Designator: OVERLAPPING ROUNDED TIP; Attachment Method: KEYWAY; Blade Quantity: 5. 6 total characteristics are documented in the Federal Logistics Information System.