The Light,navigational,marine, cataloged under National Stock Number 6220-01-142-9747, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Perko Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6220-01-142-9747 |
| Primary Part Number | 1172 GEO PLB |
| Item Name | Light,navigational,marine |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Perko Inc |
| Status | ACTIVE |
| Light Function | SIDE |
| Furnished Items and Quantity | 1 HANDLE |
| Lens Color | GREEN |
| Mounting Method | UNTHREADED HOLE(S) |
| Shape | IRREGULAR |
| Lamp Base Type Accommodated | MEDIUM PREFOCUS |
| Wiring Provision Length | 36.0 INCHES NOMINAL SINGLE PROVISION IN |
| Wiring Provision Method | CABLE |
| Lens Transparency | TRANSLUCENT |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Material | COPPER ALLOY BODY |
| Material | GLASS LENS |
| Lens Surface Condition | SMOOTH BACK |
| Lens Surface Condition | FLUTED FACE |
| Lens Type and Quantity | 1 CYLINDRICAL, FLUTED, SHORT |
| Nominal Visibility Arc in Deg | 112.5 HORIZONTAL |
| Voltage Rating in Volts | 120.0 AC NOMINAL |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| 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 |
|---|---|
| 1172 GEO PLB PRIMARY | Perko Inc (USA) |
| Reference | Meaning |
|---|---|
| 1172-GE | 5/9 Secondary reference Perko Inc |
NSN 6220-01-142-9747 is a Light,navigational,marine, manufactured by Perko Inc, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-142-9747 has 1 manufacturer part number on file: 1172 GEO PLB (Perko Inc).
Key specifications for 1172 GEO PLB: Light Function: SIDE; Furnished Items and Quantity: 1 HANDLE; Overall Height: 10.000 INCHES NOMINAL IN; Lens Color: GREEN. 18 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.