The Fan,tubeaxial, cataloged under National Stock Number 4140-01-481-3587, 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 Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-481-3587 |
| Primary Part Number | PL6573920 REV B FIND NO.57 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| PL6573920 REV B FIND NO.57 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4800Z | 5/9 Secondary reference Allied Electronics Inc Sub of Avnet Inc |
| 4800Z | 5/9 Secondary reference Allied Electronics Inc |
NSN 4140-01-481-3587 is a Fan,tubeaxial, manufactured by Naval Sea Systems Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-481-3587 has 1 manufacturer part number on file: PL6573920 REV B FIND NO.57 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-654-7779. Verify interchangeability with system specifications before substitution.
Key specifications for PL6573920 REV B FIND NO.57: Drive Type: DIRECT; Style Designator: FIXED; Material: STEEL OVERALL. 3 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.