The Fan,vaneaxial, cataloged under National Stock Number 4140-01-616-2530, 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 Fl Centek Industries Inc Dba Delta T Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-616-2530 |
| Primary Part Number | 500-31122 IP |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fl Centek Industries Inc Dba Delta T Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Flow Direction | REVERSIBLE |
| Drive Type | DIRECT |
| Style Designator | PORTABLE SQUARE |
| Height | 12.0 INCHES NOMINAL IN |
| Width | 12.375 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE AND COUNTERCLOCKWISE |
| Air Flow Rate | 1424.0 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 |
| Part Number | Manufacturer |
|---|---|
| 500-31122 IP PRIMARY | Fl Centek Industries Inc Dba Delta T Systems (USA) |
| Reference | Meaning |
|---|---|
| 500-31122 IP | 3/9 Design control — primary reference Fl Centek Industries Inc Dba Delta T Systems |
NSN 4140-01-616-2530 is a Fan,vaneaxial, manufactured by Fl Centek Industries Inc Dba Delta T Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-616-2530 has 1 manufacturer part number on file: 500-31122 IP (Fl Centek Industries Inc Dba Delta T Systems).
Key specifications for 500-31122 IP: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Flow Direction: REVERSIBLE; Drive Type: DIRECT; Style Designator: PORTABLE SQUARE. 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.