The Filter,light,cathode Ray Tube, cataloged under National Stock Number 5840-01-172-0857, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5840-01-172-0857 |
| Primary Part Number | 104366 |
| Item Name | Filter,light,cathode Ray Tube |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Color | AMBER |
| Mounting Configuration | H CAPTIVE SCREWS 0.138 IN. DIA 0.625 IN. LG SPACED 90 DEGS APART NEAR PERIMETER OF FILTER IN |
| Furnished Items and Quantity | GROMMET 4; CAPTIVE SCREW 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 104366 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 104366 | 5/9 Secondary reference Cardion Inc |
NSN 5840-01-172-0857 is a Filter,light,cathode Ray Tube, manufactured by Aimtron Systems, Llc, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-172-0857 has 1 manufacturer part number on file: 104366 (Aimtron Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 1240-01-574-0483. Verify interchangeability with system specifications before substitution.
Key specifications for 104366: Color: AMBER; Mounting Configuration: H CAPTIVE SCREWS 0.138 IN. DIA 0.625 IN. LG SPACED 90 DEGS APART NEAR PERIMETER OF FILTER IN; Furnished Items and Quantity: GROMMET 4; CAPTIVE SCREW 4. 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.
NSN 5840-01-172-0857 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.