The Impeller,fan,axial, cataloged under National Stock Number 4140-00-545-3422, 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 Lau Industries Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-545-3422 |
| Primary Part Number | CTS6-331 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Lau Industries Inc |
| Status | ACTIVE |
| Blade Quantity | 6 |
| Hub Location | CENTER |
| Attachment Method | KEYWAY AND SETSCREW |
| Material | STEEL OVERALL |
| Style Designator | STRAIGHT TIP |
| Diameter | 23.969 INCHES MINIMUM AND 24.093 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12046-1 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| CT6-24-22 | Brookside Corp (USA) |
| 12029 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| CTS6-331 PRIMARY | Lau Industries Inc (USA) |
| 12046-1 | Drs Environmental Systems Inc (USA) |
| 12029 | Drs Environmental Systems Inc (USA) |
| CTS6-24-22-331 | Brookside Corp (USA) |
| 12029 | Hdt Expeditionary Systems Inc (USA) |
| 12046-1 | Hdt Expeditionary Systems Inc (USA) |
NSN 4140-00-545-3422 is a Impeller,fan,axial, manufactured by Lau Industries Inc, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-545-3422 has 9 cross-referenced part numbers: 12046-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), CT6-24-22 (Brookside Corp), 12029 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), CTS6-331 (Lau Industries Inc), 12046-1 (Drs Environmental Systems Inc) and 4 more.
There are 11 known substitutes for 4140-00-545-3422: 6105-00-058-0950, 5133-00-084-4345, 5950-00-166-9553 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for CTS6-331: Blade Quantity: 6; Hub Location: CENTER; Attachment Method: KEYWAY AND SETSCREW; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.