The Fan,vaneaxial, cataloged under National Stock Number 4140-01-377-1655, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-377-1655 |
| Primary Part Number | 2650-1165 GRP 7TR |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Phase | THREE |
| Voltage in Volts and Current Type | 440.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.890 HORSEPOWER AND 3.000 HORSEPOWER |
| Criticality Code Justification | ZZZY |
| Operating Speed at Rated Capacity in RPM | 1200.0 AND 1800.0 |
| Material | ALUMINUM BLADE |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Reference Number Differentiating Characteristics | SELECTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2650-1165 GRP 7TR | Naval Inventory Control Point Mechanicsburg (USA) |
| 155BC55 S4TR | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 155BC55 S4 | 3/9 Design control — primary reference U.S. Government activity |
| 2650-1165 GRP 7 | 5/9 Secondary reference U.S. Government activity |
| TIN-517 | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4140-01-377-1655 is a Fan,vaneaxial, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-377-1655 has 2 manufacturer part numbers on file: 2650-1165 GRP 7TR (Naval Inventory Control Point Mechanicsburg), 155BC55 S4TR (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2650-1165 GRP 7TR: Phase: THREE; Voltage in Volts and Current Type: 440.0 AC; Drive Type: DIRECT; Prime Mover Power Rating: 0.890 HORSEPOWER AND 3.000 HORSEPOWER. 11 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.
NSN 4140-01-377-1655 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.