The Filter,flashlight, cataloged under National Stock Number 6230-01-432-4331, is classified within Federal Supply Class 6230 (Electric Portable and Hand Lighting Equipment) of the Lighting Fixtures and Lamps group. The manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6230-01-432-4331 |
| Primary Part Number | 561-1901 |
| Item Name | Filter,flashlight |
| FSC / FSG | 6230 / 62 — Electric Portable and Hand Lighting Equipment |
| Manufacturer | Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
| Status | ACTIVE |
| Overall Diameter | 1.725 INCHES NOMINAL IN |
| Material | GLASS |
| 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 |
|---|---|
| 561-1901 PRIMARY | Hoffman Engineering, Llc Dba Hoffman Engineering Llc (USA) |
| FGW 100-320-0002 PRIMARY | Cevians Llc (USA) |
| Reference | Meaning |
|---|---|
| FGW 100-320-0002 | 5/9 Secondary reference Wamco, Inc. Dba Wamco Inc |
NSN 6230-01-432-4331 is a Filter,flashlight, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 6230, Electric Portable and Hand Lighting Equipment. Status: active.
NSN 6230-01-432-4331 has 2 manufacturer part numbers on file: 561-1901 (Hoffman Engineering, Llc Dba Hoffman Engineering Llc), FGW 100-320-0002 (Cevians Llc).
Key specifications for 561-1901: Overall Diameter: 1.725 INCHES NOMINAL IN; Overall Width: 0.082 INCHES NOMINAL IN; Special Features: NIGHT VISION, LOW TRANSMITTANCE FILTER RANGE - 17%-40% AT 2100 DEGREES KELVIN; Material: GLASS. 2 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.