The Fan,vaneaxial, cataloged under National Stock Number 4140-01-259-2500, 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 Lockheed Martin Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-259-2500 |
| Primary Part Number | ST95D22-1 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Length | 18.200 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE BLADE A |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1A FED SPEC SINGLE TREATMENT RESPONSE HOUSING A |
| Housing Inside Diameter | 13.000 INCHES NOMINAL IN |
| Prime Mover Power Rating | 3.000 HORSEPOWER |
| Material Document and Classification | ASTMA366 ASSN STD SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | MIL-A-21180,A356.0-T6 MIL SPEC SINGLE MATERIAL RESPONSE BLADE |
| Ambient Temp at Full Rated Power | -11.0 FAHRENHEIT AND 96.0 FAHRENHEIT DEGF |
| Surface Treatment | CADMIUM HOUSING |
| Surface Treatment | ANODIZE BLADE |
| Material | STEEL HOUSING |
| Material | ALUMINUM ALLOY 356.0 BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | CONNECTOR |
| 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 |
|---|---|
| ST95D22-1 | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| 14W725-3450 | 3/9 Design control — primary reference Lawson Engineering Co |
NSN 4140-01-259-2500 is a Fan,vaneaxial, manufactured by Lockheed Martin Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-259-2500 has 1 manufacturer part number on file: ST95D22-1 (Lockheed Martin Corp).
Key specifications for ST95D22-1: Length: 18.200 INCHES NOMINAL IN; Voltage in Volts and Current Type: 208.0 AC; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE BLADE A; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1A FED SPEC SINGLE TREATMENT RESPONSE HOUSING A. 16 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.