The Holder,lamp, cataloged under National Stock Number 6240-01-478-3854, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-478-3854 |
| Primary Part Number | 20-00261-001 |
| Item Name | Holder,lamp |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | IRREGULAR |
| Material Document and Classification | SAE-AMS-QQ-A-250/11, T651 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 20-00261-001 PRIMARY | Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny (USA) |
NSN 6240-01-478-3854 is a Holder,lamp, manufactured by Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-478-3854 has 1 manufacturer part number on file: 20-00261-001 (Luminescent Systems, Inc Dba Lsi Div Luminescent Systems, Inc, Ny).
Key specifications for 20-00261-001: Overall Height: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 2, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Style Designator: IRREGULAR; Material Document and Classification: SAE-AMS-QQ-A-250/11, T651 ASSN STD SINGLE MATERIAL RESPONSE. 5 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.