The Fan,centrifugal, cataloged under National Stock Number 4140-00-988-3143, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4140-00-988-3143 |
| Primary Part Number | A0-30844 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | CANCELLED |
| Surface Treatment | ZINC BLADE |
| Length | 8.719 INCHES NOMINAL IN |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Material | STEEL OVERALL |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Outlet Location | BOTTOM OR TOP |
| Width | 9.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Frequency in Hertz | 50.0 AND 60.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Speed Adjustments | SINGLE SPEED |
| Outlet Inside Height | 4.750 INCHES NOMINAL IN |
| Prime Mover Power Rating | 0.415 HORSEPOWER |
| Surface Treatment | ENAMEL HOUSING |
| Environmental Protection | MOISTURE RESISTANT AND SHOCK PROOF AND SALT SPRAY RESISTANT AND VIBRATION PROOF |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 3.188 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | -55.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Air Flow Rate | 460.0 CUBIC FEET PER MINUTE NOMINAL |
| Phase | THREE |
| Drive Type | DIRECT |
| Operating Speed at Rated Capacity in RPM | 2950.0 |
| Electrical Connection Type | WIRE LEAD |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Height | 7.812 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14514 | Aeroflex Laboratories Inc Rotating Components Div (USA) |
| A0-30844 PRIMARY | Rotron Incorporated (USA) |
| DRDP-AS4505DB3CCW-154JS | Rotron Incorporated (USA) |
| 7717811P4 | Lockheed Martin Corporation Div Rms (USA) |
| DRDP-AS4505CCW-154JF | Rotron Incorporated (USA) |
NSN 4140-00-988-3143 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: cancelled.
NSN 4140-00-988-3143 has 5 cross-referenced part numbers: 14514 (Aeroflex Laboratories Inc Rotating Components Div), A0-30844 (Rotron Incorporated), DRDP-AS4505DB3CCW-154JS (Rotron Incorporated), 7717811P4 (Lockheed Martin Corporation Div Rms), DRDP-AS4505CCW-154JF (Rotron Incorporated).
There are 12 known substitutes for 4140-00-988-3143: 5330-00-085-7420, 5133-00-142-4968, 3040-00-179-3746 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A0-30844: Surface Treatment: ZINC BLADE; Length: 8.719 INCHES NOMINAL IN; Static Pressure at Specified Air Flow Rate: ERR-060; Prime Mover Drive Shaft Bearing Type: BALL. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4140-00-988-3143 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.