The Light,indicator, cataloged under National Stock Number 6210-01-099-6584, is classified within Federal Supply Class 6210 (Indoor and Outdoor Electric Lighting Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Thales Six Gts France SAS. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6210-01-099-6584 |
| Primary Part Number | 551981 |
| Item Name | Light,indicator |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Thales Six Gts France SAS |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HEXAGON NUT AND 1 LOCK WASHER |
| Lens Type | CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lamp Bulb Size Designator | T-1 3/4 |
| Lens Color | GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Overall Diameter | 0.641 INCHES NOMINAL IN |
| Lens Light Transmission Characteristic | TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Face Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Quantity | 1 |
| Style Designator | ROUND FRAME, ROUND LENS TYPE |
| Features Provided | BLACKOUT DEGREE, COMPLETE AND DIMMING DEVICE |
| Lamp Base Type Accommodated | MIDGET FLANGED |
| Transmitted Light Color | GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Unable to Decode | UNABLE TO DECODE |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Lens Back Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Panel Thickness for Which Designed | 0.250 INCHES MAXIMUM IN |
| Panel Accommodation Hole Diameter | 0.469 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 SOLDER LUG |
| Unable to Decode | UNABLE TO DECODE |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| 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 |
|---|---|
| 551981 | Thales Six Gts France SAS (FRA) |
| Reference | Meaning |
|---|---|
| 174-8430-0132-203 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6210-01-099-6584 is a Light,indicator, manufactured by Thales Six Gts France SAS, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-01-099-6584 has 1 manufacturer part number on file: 551981 (Thales Six Gts France SAS).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-272-2889. Verify interchangeability with system specifications before substitution.
Key specifications for 551981: Furnished Items and Quantity: 1 HEXAGON NUT AND 1 LOCK WASHER; Lens Type: CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL; Lamp Bulb Size Designator: T-1 3/4; Lens Color: GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL. 20 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.