The Ballast,lamp, cataloged under National Stock Number 6250-01-491-7039, is classified within Federal Supply Class 6250 (Ballasts, Lampholders, and Starters) of the Lighting Fixtures and Lamps group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6250-01-491-7039 |
| Item Name | Ballast,lamp |
| FSC / FSG | 6250 / 62 — Ballasts, Lampholders, and Starters |
| Status | ACTIVE |
| Terminal Quantity | 10 |
| Terminal Location and Quantity | 1 ONE END |
| Current Type | AC |
| Lamp Wattage Rating in Watts | 17.0 |
| Terminal Type | WIRE LEAD |
| Bulb Designator | T-12 |
| Mounting Method | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Power Factor Characteristic | HIGH |
| Center to Center Distance Between Mounting Slots | 12.750 INCHES NOMINAL IN |
| Starting Characteristic | ANY ACCEPTABLE |
| Starter | NOT REQUIRED |
| Lamp Type Accommodated | ENERGY EFFICIENT |
| Mounting Slot Quantity | 2 |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Lamp Accommodation Quantity | 1 |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Current Rating in Amps | 0.040 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| P-2183-H | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-16377/77 | 4/1 Identification reference U.S. Government activity |
| M16377/77-001 | 2/2 Government specification standardization U.S. Government activity |
NSN 6250-01-491-7039 is a Ballast,lamp, classified under FSC 6250, Ballasts, Lampholders, and Starters. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6210-01-509-3149. Verify interchangeability with system specifications before substitution.
Key specifications for 6250-01-491-7039: Overall Height: 1.500 INCHES NOMINAL IN; Terminal Quantity: 10; Terminal Location and Quantity: 1 ONE END; Current Type: AC. 17 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.