The Lamp,incandescent, cataloged under National Stock Number 6240-01-016-2172, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-016-2172 |
| Primary Part Number | J2 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | TELEPHONE SLIDE NUMBER ONE |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-2 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 275.000 FOOTCANDLES NOMINAL SINGLE RATING |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.035 AMPERES MINIMUM AND 0.045 AMPERES MAXIMUM |
| Voltage Rating | 10.000 VOLTS NOMINAL |
| 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 |
|---|---|
| J2 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| J2LAMP PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| J2LAMP | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| J2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| J2 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| J2LAMP | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 6240-01-016-2172 is a Lamp,incandescent, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-016-2172 has 2 manufacturer part numbers on file: J2 (Lucent Technologies Inc Corporate Headquarters), J2LAMP (Lucent Technologies Inc Corporate Headquarters).
2 possible matches (shared part number, not a government interchangeability claim): 5180-01-054-7012, 6515-01-465-3344. Verify interchangeability with system specifications before substitution.
Key specifications for J2: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: TELEPHONE SLIDE NUMBER ONE; Rated Average Life: NOT RATED; Bulb Designator: T-2. 10 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.