The Fan,centrifugal, cataloged under National Stock Number 4140-01-554-5147, 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 Knight Electronics, Inc Div Orion Fans. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-554-5147 |
| Primary Part Number | OA938AP-11-1WB |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Knight Electronics, Inc Div Orion Fans |
| Status | ACTIVE |
| 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 |
|---|---|
| M-301093-30 ITEM N0.39 | Rockwell Automation Inc Dba Rockwell Automation (USA) |
| OA938AP-11-1WB PRIMARY | Knight Electronics, Inc Div Orion Fans (USA) |
| Reference | Meaning |
|---|---|
| 0A938A9-11-1WB | 5/9 Secondary reference Knight Electronics, Inc Div Orion Fans |
NSN 4140-01-554-5147 is a Fan,centrifugal, manufactured by Knight Electronics, Inc Div Orion Fans, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-554-5147 has 2 manufacturer part numbers on file: M-301093-30 ITEM N0.39 (Rockwell Automation Inc Dba Rockwell Automation), OA938AP-11-1WB (Knight Electronics, Inc Div Orion Fans).
Key specifications for OA938AP-11-1WB: End Item Identification: PCL PLATF CONT LSWE NUM 3 M-301093-30. 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.
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.