The Lamp Assembly, cataloged under National Stock Number 6240-01-511-3754, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-511-3754 |
| Primary Part Number | W153185T2 |
| Item Name | Lamp Assembly |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| 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 |
|---|---|
| F41400 REV J ILLS NO. 43 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| W153185T2 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| F42740 PIECE 43B | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| W153185T2 | 5/9 Secondary reference U.S. Government activity |
| F42740 PIECE 43B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| W153185T2 | 5/9 Secondary reference U.S. Government activity |
| F41400 REV J | D/9 Drawing number reference only U.S. Government activity |
| W153185T2 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| F42740 PIECE 43B | 5/9 Secondary reference U.S. Government activity |
| F41400 REV J ILLS NO. 43 | 5/9 Secondary reference U.S. Government activity |
| F41400 REV J ILLS NO. 43 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 6240-01-511-3754 is a Lamp Assembly, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-511-3754 has 3 manufacturer part numbers on file: F41400 REV J ILLS NO. 43 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), W153185T2 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), F42740 PIECE 43B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for W153185T2: Special Features: GREEN LED CLUSTER LAMP; NEMA 4; 120 WATT; REPLACEMENT LAMP FOR W141689AT2 PILOT LIGHT F42740 PIECE 43A A; End Item Identification: PANEL,CONTRO; LOS ANGELES CLASS SSN (688). 0 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.