The Light,indicator, cataloged under National Stock Number 6210-01-181-9559, 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 Eldema Products. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6210-01-181-9559 |
| Primary Part Number | HLC2020-HL812-WT |
| Item Name | Light,indicator |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Eldema Products |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HEXAGON NUT AND 1 LOCK WASHER |
| Lens Type | FLAT, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lamp Bulb Size Designator | T-1 |
| Lens Color | WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Overall Diameter | 0.375 INCHES MAXIMUM IN |
| Lens Light Transmission Characteristic | TRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Face Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Precious Material | GOLD |
| Lens Quantity | 1 |
| Mounting Method | PANEL LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Method | SCREW IN LENS |
| Style Designator | ROUND FRAME, ROUND LENS TYPE |
| Precious Material and Weight | 0.040 GOLD GRAINS, TROY |
| Lamp Base Type Accommodated | SUBMIDGET FLANGED |
| Transmitted Light Color | WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Surface Treatment | NICKEL BODY |
| Precious Material and Location | TERMINALS GOLD |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Lens Back Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Panel Thickness for Which Designed | 0.234 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BODY |
| Panel Accommodation Hole Diameter | 0.312 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 SOLDER STUD |
| Hazardous Locations/environmental Protection | COLD RESISTANT AND DUST RESISTANT AND HEAT RESISTANT |
| 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 |
|---|---|
| HLC2020-HL812-WT PRIMARY | Eldema Products (USA) |
| 860688-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| HLC2020-HL812-W | C/1 Advisory reference — outside the item-of-supply concept Genisco Filter Corp |
| 860688-1 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| HLC2020-HL812-WT | 5/9 Secondary reference Potter Production Corp |
| HLC2020-HL812-WT | 5/9 Secondary reference Genisco Filter Corp |
| HLC2020-HL812-WT | 5/9 Secondary reference Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
NSN 6210-01-181-9559 is a Light,indicator, manufactured by Eldema Products, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-01-181-9559 has 2 manufacturer part numbers on file: HLC2020-HL812-WT (Eldema Products), 860688-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-328-1362. Verify interchangeability with system specifications before substitution.
Key specifications for HLC2020-HL812-WT: Furnished Items and Quantity: 1 HEXAGON NUT AND 1 LOCK WASHER; Lens Type: FLAT, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL; Lamp Bulb Size Designator: T-1; Lens Color: WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL. 24 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.