The Fan,tubeaxial, cataloged under National Stock Number 4140-01-421-9056, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4140-01-421-9056 |
| Primary Part Number | 4715-MS-23T-B50-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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 150046 | Harris Corp Digital Telephone Systems Div (USA) |
| 4715-MS-23T-B50-A00 PRIMARY | Nmb Technologies Corporation Div Advanced Electronics Engineering (USA) |
NSN 4140-01-421-9056 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 4140-01-421-9056 has 2 manufacturer part numbers on file: 150046 (Harris Corp Digital Telephone Systems Div), 4715-MS-23T-B50-A00 (Nmb Technologies Corporation Div Advanced Electronics Engineering).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-481-8913. Verify interchangeability with system specifications before substitution.
Key specifications for 4715-MS-23T-B50-A00: End Item Identification: VSCS. 0 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 4140-01-421-9056 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.