The Light,navigational,marine, cataloged under National Stock Number 6220-01-569-8635, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Watermark Navigation Systems, Llc Dba Sealite. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-569-8635 |
| Primary Part Number | SL07 |
| Item Name | Light,navigational,marine |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Watermark Navigation Systems, Llc Dba Sealite |
| Status | ACTIVE |
| Lens Color | COLORLESS |
| Overall Diameter | 136.0 MILLIMETERS NOMINAL MM |
| Mounting Method | BOLT |
| Shape | IRREGULAR |
| Material | PLASTIC POLYCARBONATE FILTER |
| Material | PLASTIC POLYCARBONATE BASE |
| Voltage Rating in Volts | 12.0 DC NOMINAL |
| 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 |
|---|---|
| SL07 PRIMARY | Watermark Navigation Systems, Llc Dba Sealite (USA) |
| Reference | Meaning |
|---|---|
| SL05 | 3/9 Design control — primary reference Watermark Navigation Systems, Llc Dba Sealite |
NSN 6220-01-569-8635 is a Light,navigational,marine, manufactured by Watermark Navigation Systems, Llc Dba Sealite, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-569-8635 has 1 manufacturer part number on file: SL07 (Watermark Navigation Systems, Llc Dba Sealite).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-706-5813. Verify interchangeability with system specifications before substitution.
Key specifications for SL07: Overall Height: 142.0 MILLIMETERS NOMINAL MM; Lens Color: COLORLESS; Overall Diameter: 136.0 MILLIMETERS NOMINAL MM; Mounting Method: BOLT. 7 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.