The Blower Unit, cataloged under National Stock Number 4140-01-505-7541, 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 Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-505-7541 |
| Primary Part Number | 56251 |
| Item Name | Blower Unit |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Electro Impulse Laboratory Inc Dba Electro Impulse Inc |
| Status | ACTIVE |
| Surface Treatment | PAINT |
| Cubic Measure | 5.185 CUBIC FEET |
| Functional Description | UNIT PROVIDES AIR AT FOUR SPECIFIED FLOW RATES FOR COOLING LRUS INDEPENDENTLY OR JOINTLY WITH AN EXTERNAL REFRIGERATION SYSTEM PN:6012461-001 |
| Voltage in Volts and Current Type | 208.0 AC AND 28.0 DC |
| Special Markings | WARNING 230 VOLTS; TWO MAN LIFT REQUIRED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4140PL0799172 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 6012460-001 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| 56251 PRIMARY | Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA) |
NSN 4140-01-505-7541 is a Blower Unit, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-505-7541 has 3 cross-referenced part numbers: 4140PL0799172 (Jednolity Indeks Materialowy - Uniform Material Index), 6012460-001 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 56251 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).
There are 3 known substitutes for 4140-01-505-7541: 4730-00-288-4121, 4320-00-353-5884, 4730-00-673-1812. Verify interchangeability with system specifications before substitution.
Key specifications for 56251: Overall Width: 19.000 INCHES MAXIMUM IN; End Item Identification: F-16 R-IAIS; Surface Treatment: PAINT; Special Features: HAS AIR FLOW CALIBRATION ACCESS; REMOVEABLE AIR INLET FILTER. 10 total characteristics are documented in the Federal Logistics Information System.