The Light,indicator, cataloged under National Stock Number 6210-01-021-4663, 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 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6210-01-021-4663 |
| Primary Part Number | 45-20990-122 |
| Item Name | Light,indicator |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 MOUNTING SLEEVE |
| Lens Type | FLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Transmitted Legend Color | BLACK SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Lamp Bulb Size Designator | T-1 3/4 |
| Lens Color | WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Light Transmission Characteristic | TRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Face Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Quantity | 1 |
| Mounting Method | PANEL LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Method | FLANGE LENS |
| Style Designator | RECTANGULAR FRAME TYPE |
| Filter Quantity | 2 |
| Features Provided | REMOVABLE LIGHT FILTER |
| Lamp Base Type Accommodated | MIDGET FLANGED |
| Lens Legend | PASS FAIL SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Transmitted Light Color | WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Lamp Type Accommodated and Quantity | 2 INCANDESCENT |
| Lens Back Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Panel Thickness for Which Designed | 0.125 INCHES MAXIMUM IN |
| Material | PLASTIC BODY |
| Terminal Type and Quantity | 3 SOLDER LUG |
| Hazardous Locations/environmental Protection | WATERTIGHT AND VAPORTIGHT |
| 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 |
|---|---|
| 45-20990-122 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 11553730-3 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 6210-01-021-4663 is a Light,indicator, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-01-021-4663 has 1 manufacturer part number on file: 45-20990-122 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 45-20990-122: Furnished Items and Quantity: 1 MOUNTING SLEEVE; Overall Height: 0.656 INCHES NOMINAL IN; Lens Type: FLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL; Transmitted Legend Color: BLACK SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A. 22 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.