The Fan,vaneaxial, cataloged under National Stock Number 4140-01-322-8128, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-322-8128 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| Air Flow Rate | 8000.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| R1-6518-A8A4W6-NM | 3/1 Design control — primary reference Fm Af, Llc Dba American Fan Company |
| R1-6518-A8A4W6-NM | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| MIL-PRF-18953 | 4/1 Identification reference U.S. Government activity |
| R1-6518-A8A4W6-NMVM | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| A8A4W6-NM | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| A8A4W6-NMVM | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
NSN 4140-01-322-8128 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-322-8128: End Item Identification: FANS,AIR CIRCULATORS,AND BLOWER EQUIPMENT; Rotation Direction for Which Designed: COUNTERCLOCKWISE; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; Air Flow Rate: 8000.0 CUBIC FEET PER MINUTE NOMINAL. 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.