The Fan,circulating, cataloged under National Stock Number 4140-00-274-3655, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-274-3655 |
| Primary Part Number | C743880-1SUB4 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Speed Adjustments | THREE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | REVERSIBLE |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.100 HORSEPOWER |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -28.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3200.0 |
| Surface Treatment | ANODIZE BLADE |
| Material | ALUMINUM ALLOY BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 676.0 CUBIC FEET PER MINUTE MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C743880-1SUB4 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| F7A12G-1C | 5/9 Secondary reference Eastern Air Devices Inc Dba Ead Motors |
| C743880-1SUB4 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 4140-00-274-3655 is a Fan,circulating, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-274-3655 has 1 manufacturer part number on file: C743880-1SUB4 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for C743880-1SUB4: Speed Adjustments: THREE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0; Inclosure Type: PARTIALLY INCLOSED. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.