The Fan,tubeaxial, cataloged under National Stock Number 4140-01-564-7485, 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 New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-564-7485 |
| Primary Part Number | 4710PS-12T-B20-A00 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE AND 8 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Frequency in Hertz | 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 1.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Housing Inside Diameter | 5.350 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 7.0 WATTS |
| Style Designator | FIXED |
| Height | 4.690 INCHES NOMINAL IN |
| Width | 4.690 INCHES NOMINAL IN |
| Material | ALUMINUM HOUSING |
| Material | GLASS FIBER AND PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 53.0 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 |
|---|---|
| 4710PS-12T-B20-A00 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| 7591661 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4140-01-564-7485 is a Fan,tubeaxial, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-564-7485 has 1 manufacturer part number on file: 4710PS-12T-B20-A00 (New Hampshire Ball Bearings Inc Div Precision Division).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-596-5528. Verify interchangeability with system specifications before substitution.
Key specifications for 4710PS-12T-B20-A00: Mounting Facility Type and Quantity: 2 FLANGE AND 8 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Frequency in Hertz: 60.0; Inclosure Type: PARTIALLY INCLOSED. 20 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.