The Lamp,cartridge, cataloged under National Stock Number 6240-01-322-2783, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution. Government technical data includes 11 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 | 6240-01-322-2783 |
| Primary Part Number | KDU374B |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Lens Color | GREEN |
| Base Style | CARTRIDGE TWO PIN POLARIZED |
| Lens Light Transmission Characteristic | TRANSLUCENT |
| Rated Average Life | INDEFINITE LONG |
| Cartridge Style | SHORT CYLINDRICAL |
| Primary Lamp Type | LIGHT EMITTING DIODE |
| Forward Voltage Rating in Volts and Current Type | 28.000 DC |
| Material | PLASTIC LENS |
| Material | ALUMINUM SLEEVE |
| Cartridge Overall Length | 1.140 INCHES MAXIMUM IN |
| 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 |
|---|---|
| KDU374B PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
NSN 6240-01-322-2783 is a Lamp,cartridge, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-322-2783 has 1 manufacturer part number on file: KDU374B (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-516-8013. Verify interchangeability with system specifications before substitution.
Key specifications for KDU374B: Cartridge Overall Diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Lens Color: GREEN; Base Style: CARTRIDGE TWO PIN POLARIZED; Lens Light Transmission Characteristic: TRANSLUCENT. 11 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.