The Lamp Assembly, cataloged under National Stock Number 6240-01-338-4949, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Lamp Assembly |
| FSC / FSG | 6240 — Electric Lamps (FSG 62) |
| Manufacturers | Lamptronix Co Ltd (CAGE 61342); Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (CAGE 71744); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Oshino Lamps Ltd. (CAGE J5705); Wamco, Inc. Dba Wamco Inc (CAGE 58774) |
| Parameter | Value |
|---|---|
| NSN | 6240-01-338-4949 |
| Primary Part Number | 70902-01984-102 |
| Item Name | Lamp Assembly |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| LTX6839AS25 | Lamptronix Co Ltd (USA) |
| 6839AS25 | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| 70902-01984-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 11589477-2 | Oshino Lamps Ltd. (JPN) |
| ML-6839 | Wamco, Inc. Dba Wamco Inc (USA) |
| CM6839AS25 | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| Reference | Meaning |
|---|---|
| OL-6839 | 5/9 Secondary reference John Crane-Houdaille Inc Darcova Div |
| CM6839-163 | C/1 Advisory reference — outside the item-of-supply concept Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| 11589477-2 | 5/9 Secondary reference Oshino Lamps Ltd. |
| ML-6839 | 5/9 Secondary reference Micro Lamps Inc. |
| OL-6939 | C/1 Advisory reference — outside the item-of-supply concept John Crane-Houdaille Inc Darcova Div |
NSN 6240-01-338-4949 is a Lamp Assembly, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-338-4949 has 6 manufacturer part numbers on file: LTX6839AS25 (Lamptronix Co Ltd), 6839AS25 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 70902-01984-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 11589477-2 (Oshino Lamps Ltd.), ML-6839 (Wamco, Inc. Dba Wamco Inc) and 1 more.
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.