The Fan,centrifugal, cataloged under National Stock Number 4140-01-331-4802, 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 Rotron Incorporated. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-331-4802 |
| Primary Part Number | 1164-2 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Air Flow Rate | 750.0 CUBIC FEET PER MINUTE NOMINAL |
| Width | 21.620 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MANUFACTURERS SOURCE CONTROL DRAWING |
| Drive Type | DIRECT |
| Mounting Facility Type and Quantity | 6 BOLT |
| Prime Mover Type | ELECTRIC MOTOR |
| Discharge Direction | VERTICAL UP |
| Material | ALUMINUM ALLOY OVERALL |
| Quantity | 2 |
| Length | 9.250 INCHES NOMINAL IN |
| Outlet Inside Width | 4.060 INCHES NOMINAL IN |
| Height | 11.380 INCHES NOMINAL IN |
| Style Designator | FIXED, DUAL, RECTANGULAR OUTLETS |
| Outlet Location | TOP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4140-01-331-4802 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-331-4802 has 2 cross-referenced part numbers: 1164-2 (Rotron Incorporated), 6414747-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
There are 9 known substitutes for 4140-01-331-4802: 5950-00-175-4479, 5340-00-489-3588, 5815-00-652-9869 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1164-2: Air Flow Rate: 750.0 CUBIC FEET PER MINUTE NOMINAL; Width: 21.620 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MANUFACTURERS SOURCE CONTROL DRAWING. 15 total characteristics are documented in the Federal Logistics Information System.