The Cover,lamp, cataloged under National Stock Number 6240-01-259-0665, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Marine Systems Technology, Inc Div Ocean Imaging Systems. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-259-0665 |
| Primary Part Number | C-381-1-2 |
| Item Name | Cover,lamp |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Marine Systems Technology, Inc Div Ocean Imaging Systems |
| Status | ACTIVE |
| Body Diameter | 2.125 INCHES NOMINAL IN |
| Body Length | 6.313 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN |
| Material | GLASS |
| 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 |
|---|---|
| C-381-1-2 PRIMARY | Marine Systems Technology, Inc Div Ocean Imaging Systems (USA) |
| Reference | Meaning |
|---|---|
| C-381-1-2 | 5/9 Secondary reference Teledyne Instruments, Inc. Dba Teledyne Benthos |
NSN 6240-01-259-0665 is a Cover,lamp, manufactured by Marine Systems Technology, Inc Div Ocean Imaging Systems, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-259-0665 has 1 manufacturer part number on file: C-381-1-2 (Marine Systems Technology, Inc Div Ocean Imaging Systems).
Key specifications for C-381-1-2: Body Diameter: 2.125 INCHES NOMINAL IN; Body Length: 6.313 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN; Material: GLASS. 3 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.