The Lamp,fluorescent, cataloged under National Stock Number 6240-01-643-7333, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 15 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 | 6240-01-643-7333 |
| Primary Part Number | 1562K53 |
| Item Name | Lamp,fluorescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Fragility Factor | EXTREMELY FRAGILE |
| Overall Diameter | 0.067 INCHES NOMINAL IN |
| Base Style | MINIATURE BIPIN (FLUORESCENT) |
| Rated Average Life | HOURS |
| Bulb Designator | T5 |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Wattage Rating | 28.0 WATTS |
| Emitted Light Characteristic | NATURAL |
| Starting Characteristic | INSTANT |
| Bulb Style | T (TUBULAR) |
| Terminal Type and Quantity | 4 PIN |
| Special Handling Feature | FRAGILE |
| Lamp Luminosity in Lumens | 2900.0 |
| Voltage Rating | 600.0 VOLTS NOMINAL |
| Average Life Rating in Hours | 24000.0 |
| 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 |
|---|---|
| 1562K53 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 6240-01-643-7333 is a Lamp,fluorescent, manufactured by Mcmaster-Carr Supply Co, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-643-7333 has 1 manufacturer part number on file: 1562K53 (Mcmaster-Carr Supply Co).
Key specifications for 1562K53: Fragility Factor: EXTREMELY FRAGILE; Overall Diameter: 0.067 INCHES NOMINAL IN; Base Style: MINIATURE BIPIN (FLUORESCENT); Rated Average Life: HOURS. 15 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.