The Fan and Cover Assembly, cataloged under National Stock Number 5840-01-074-4699, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-074-4699 |
| Item Name | Fan and Cover Assembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Status | ACTIVE |
| General Characteristics Item Description | APPROXIMATE DIMENSIONS 12.0 IN. LG BY 10.0 IN. W BY 4.0 IN. DP,INCLUDES FILTER AND PROTECTIVE SCREEN,FITS INSIDE DOOR PANEL OF ELECTRICAL EQUIPMENT CABINET IN |
| 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 |
|---|---|
| 192400 | 3/9 Design control — primary reference Edo |
NSN 5840-01-074-4699 is a Fan and Cover Assembly, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-560-1179. Verify interchangeability with system specifications before substitution.
Key specifications for 5840-01-074-4699: General Characteristics Item Description: APPROXIMATE DIMENSIONS 12.0 IN. LG BY 10.0 IN. W BY 4.0 IN. DP,INCLUDES FILTER AND PROTECTIVE SCREEN,FITS INSIDE DOOR PANEL OF ELECTRICAL EQUIPMENT CABINET IN; End Item Identification: AN/MSQ-77. 1 specification is 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.