The Ballast,lamp, cataloged under National Stock Number 6250-01-381-4453, is classified within Federal Supply Class 6250 (Ballasts, Lampholders, and Starters) of the Lighting Fixtures and Lamps group. The manufacturer of record is Magnetek Inc Lighting Products Group. Government technical data includes 14 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6250-01-381-4453 |
| Primary Part Number | B259I277HP |
| Item Name | Ballast,lamp |
| FSC / FSG | 6250 / 62 — Ballasts, Lampholders, and Starters |
| Manufacturer | Magnetek Inc Lighting Products Group |
| Status | ACTIVE |
| Terminal Quantity | 5 |
| Terminal Location and Quantity | 2 ONE END AND 3 OTHER END |
| Current Type | AC |
| Lamp Wattage Rating in Watts | 118.0 |
| Terminal Type | WIRE LEAD |
| Bulb Designator | T-8 |
| Power Factor Characteristic | HIGH |
| Starting Characteristic | RAPID |
| Starter | NOT REQUIRED |
| Lamp Type Accommodated | ENERGY EFFICIENT |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Lamp Accommodation Quantity | 2 |
| Voltage Rating | 277.0 VOLTS NOMINAL |
| Current Rating in Amps | 0.564 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B259I277HP PRIMARY | Magnetek Inc Lighting Products Group (USA) |
NSN 6250-01-381-4453 is a Ballast,lamp, manufactured by Magnetek Inc Lighting Products Group, classified under FSC 6250, Ballasts, Lampholders, and Starters. Status: active.
NSN 6250-01-381-4453 has 1 manufacturer part number on file: B259I277HP (Magnetek Inc Lighting Products Group).
1 possible match (shared part number, not a government interchangeability claim): 6250-01-440-3597. Verify interchangeability with system specifications before substitution.
Key specifications for B259I277HP: Overall Height: 1.562 INCHES NOMINAL IN; Terminal Quantity: 5; Terminal Location and Quantity: 2 ONE END AND 3 OTHER END; Current Type: AC. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.