The Lamp,fluorescent, cataloged under National Stock Number 6240-00-178-9935, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Sunray Lighting Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-00-178-9935 |
| Primary Part Number | MF5000 |
| Item Name | Lamp,fluorescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Sunray Lighting Inc |
| Status | ACTIVE |
| Base Style | DOUBLE CONTACT BAYONET CANDELABRA INDEXING |
| Rated Average Life | HOURS |
| Bulb Designator | RP-12 |
| Wattage Rating | 4.000 WATTS |
| Emitted Light Characteristic | ULTRAVIOLET |
| Starting Characteristic | PREHEAT |
| Bulb Style | RP (ARBITRARY DESIGNATION) |
| Voltage Rating | 24.000 VOLTS MINIMUM AND 28.000 VOLTS MAXIMUM |
| Average Life Rating in Hours | 200.0 |
| 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 |
|---|---|
| MF5000 PRIMARY | Sunray Lighting Inc (USA) |
| F5000 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 6240001789935 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS15616-1 | 5/9 Secondary reference U.S. Government activity |
| F5000 | C/1 Advisory reference — outside the item-of-supply concept Sunray Lighting Inc |
| F5000 | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| 6240001789935 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| F5000 | 5/9 Secondary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| AN3125-1 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-00-178-9935 is a Lamp,fluorescent, manufactured by Sunray Lighting Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-178-9935 has 2 manufacturer part numbers on file: MF5000 (Sunray Lighting Inc), F5000 (Satair A/s).
3 possible matches (shared part number, not a government interchangeability claim): 4720-00-181-8829, 5996-00-311-3041, 5340-01-515-3900. Verify interchangeability with system specifications before substitution.
Key specifications for MF5000: Base Style: DOUBLE CONTACT BAYONET CANDELABRA INDEXING; Rated Average Life: HOURS; Bulb Designator: RP-12; Overall Length: 2.562 INCHES MAXIMUM IN. 9 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.