The Lamp,incandescent, cataloged under National Stock Number 6240-01-121-9797, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Data Check Dba Lavi Systems, Inc. Div Data Check. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-121-9797 |
| Primary Part Number | 3-50009 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Data Check Dba Lavi Systems, Inc. Div Data Check |
| Status | ACTIVE |
| Rated Average Life | NOT RATED |
| 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 |
|---|---|
| 3-50009 PRIMARY | Data Check Dba Lavi Systems, Inc. Div Data Check (USA) |
| Reference | Meaning |
|---|---|
| LTX157 | C/1 Advisory reference — outside the item-of-supply concept Lamptronix Co Ltd |
NSN 6240-01-121-9797 is a Lamp,incandescent, manufactured by Data Check Dba Lavi Systems, Inc. Div Data Check, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-121-9797 has 1 manufacturer part number on file: 3-50009 (Data Check Dba Lavi Systems, Inc. Div Data Check).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-292-4560, 5985-01-365-1323, 5315-01-372-8278. Verify interchangeability with system specifications before substitution.
Key specifications for 3-50009: Rated Average Life: NOT RATED. 1 specification is 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.