The Fan,ventilating, cataloged under National Stock Number 4140-01-607-7974, 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 Pacific Power Source Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-607-7974 |
| Primary Part Number | 703106 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Pacific Power Source Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Shaft Bearing Type | BALL |
| Length | 171.5 MILLIMETERS MINIMUM AND 172.0 MILLIMETERS MAXIMUM MM |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 151.0 MILLIMETERS NOMINAL MM |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Material | ALUMINUM ALLOY HOUSING |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 203.0 CUBIC FEET PER MINUTE MINIMUM AND 239.0 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 |
|---|---|
| 703106 PRIMARY | Pacific Power Source Inc (USA) |
| Reference | Meaning |
|---|---|
| A1175-HBT | 5/1 Secondary reference Sunon Inc |
| 703106 | 5/9 Secondary reference Pacific Power Source |
NSN 4140-01-607-7974 is a Fan,ventilating, manufactured by Pacific Power Source Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-607-7974 has 1 manufacturer part number on file: 703106 (Pacific Power Source Inc).
Key specifications for 703106: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Shaft Bearing Type: BALL; Length: 171.5 MILLIMETERS MINIMUM AND 172.0 MILLIMETERS MAXIMUM MM; Flow Direction: OUTWARD. 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.
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.