The Fan,tubeaxial, cataloged under National Stock Number 4140-01-560-8538, 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 Nmb Technologies Corporation Div Advanced Electronics Engineering. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-560-8538 |
| Primary Part Number | 4715MS-12T-B20-A00 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Nmb Technologies Corporation Div Advanced Electronics Engineering |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Length | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 4.670 INCHES MINIMUM AND 4.710 INCHES MAXIMUM IN |
| Width | 4.670 INCHES MINIMUM AND 4.710 INCHES MAXIMUM IN |
| Material | ALUMINUM HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 4715MS-12T-B20-A00 PRIMARY | Nmb Technologies Corporation Div Advanced Electronics Engineering (USA) |
NSN 4140-01-560-8538 is a Fan,tubeaxial, manufactured by Nmb Technologies Corporation Div Advanced Electronics Engineering, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-560-8538 has 1 manufacturer part number on file: 4715MS-12T-B20-A00 (Nmb Technologies Corporation Div Advanced Electronics Engineering).
Key specifications for 4715MS-12T-B20-A00: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Length: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN; Drive Type: DIRECT; Style Designator: FIXED. 9 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.