The Fan,circulating, cataloged under National Stock Number 4140-01-512-6049, 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 Raytheon Canada Limited. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-512-6049 |
| Primary Part Number | G581878-1 |
| Item Name | Fan,circulating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Canada Limited |
| 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 |
|---|---|
| G581878-1 | Raytheon Canada Limited (CAN) |
| 9904.642 | Entronics Corporation Dba Inotek Corp (USA) |
| Reference | Meaning |
|---|---|
| 9904.642 | 5/9 Secondary reference Davis Inotek Llc Div Tulsa Branch |
| G581878-1 | 3/9 Design control — primary reference Raytheon Co |
| G581878-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company |
NSN 4140-01-512-6049 is a Fan,circulating, manufactured by Raytheon Canada Limited, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-512-6049 has 2 manufacturer part numbers on file: G581878-1 (Raytheon Canada Limited), 9904.642 (Entronics Corporation Dba Inotek Corp).
Key specifications for G581878-1: Special Features: NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M.; End Item Identification: DIGITAL TERMINAL RADAR AIRPORT SURVEILLANCE RADAR (ASR-11). 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.