The Light Source,boroscope, cataloged under National Stock Number 6650-00-545-8472, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Evident Scientific, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-545-8472 |
| Primary Part Number | ILK-4 |
| Item Name | Light Source,boroscope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Evident Scientific, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 110.0 TO 120.0 V,AC,60 HZ SINGLE PHASE ELEC INPUT RQMT V |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ILK-4 PRIMARY | Evident Scientific, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ILK-4 | 5/9 Secondary reference Olympus Optical Company Ltd |
| ILK | C/1 Advisory reference — outside the item-of-supply concept Olympus America Inc |
| ILK | 5/9 Secondary reference Olympus America Inc |
| ILK-4 | 3/9 Design control — primary reference Olympus America Inc |
| ILK-4 | 5/9 Secondary reference Olympus America Inc |
NSN 6650-00-545-8472 is a Light Source,boroscope, manufactured by Evident Scientific, Inc., classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-545-8472 has 1 manufacturer part number on file: ILK-4 (Evident Scientific, Inc.).
Key specifications for ILK-4: General Characteristics Item Description: 110.0 TO 120.0 V,AC,60 HZ SINGLE PHASE ELEC INPUT RQMT V; End Item Identification: 66504498853. 1 specification is 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.