The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-388-1685, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Ace Aeronautics 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-388-1685 |
| Primary Part Number | 41556-1 |
| Item Name | Panel,indicating,light Transmitt |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Ace Aeronautics Llc |
| Status | ACTIVE |
| Indicator Type | LIGHT LOCATION NOT OTHERWISE SPECIFIED |
| Functional Description | FACE PLATE, CONTROL PANEL 41798-1 |
| Material | PLASTIC PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 41556-1 | Ace Aeronautics Llc (USA) |
| Reference | Meaning |
|---|---|
| 41556-1 | C/1 Advisory reference — outside the item-of-supply concept Hardsocg Pneumatic Tool Co |
| 41556-1 | 3/9 Design control — primary reference U.S. Government activity |
| 41556-1 | 5/9 Secondary reference U.S. Government activity |
| 41556-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6220-01-388-1685 is a Panel,indicating,light Transmitt, manufactured by Ace Aeronautics Llc, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-388-1685 has 1 manufacturer part number on file: 41556-1 (Ace Aeronautics Llc).
Key specifications for 41556-1: Indicator Type: LIGHT LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 5.686 INCHES NOMINAL IN; Overall Width: 4.061 INCHES NOMINAL IN; Special Features: NVG; BLADE AND PYLON FOLD PANEL. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.