The Light,slit,ophthalmic, cataloged under National Stock Number 6540-01-719-7739, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Optimetrics Inc Dba Optimetrics Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-719-7739 |
| Primary Part Number | SLKOW-SL19 |
| Item Name | Light,slit,ophthalmic |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Optimetrics Inc Dba Optimetrics Inc |
| Status | ACTIVE |
| Mounting Method | FREE STANDING BASE |
| Voltage Rating in Volts | 3.0 DC MINIMUM AND 4.8 DC MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| SLKOW-SL19 | Optimetrics Inc Dba Optimetrics Inc (USA) |
| Reference | Meaning |
|---|---|
| 6540NCM249697 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1668546 | 5/1 Secondary reference U.S. Government activity |
| SL-19 | 3/9 Design control — primary reference Kowa Optimed Inc |
NSN 6540-01-719-7739 is a Light,slit,ophthalmic, manufactured by Optimetrics Inc Dba Optimetrics Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-719-7739 has 1 manufacturer part number on file: SLKOW-SL19 (Optimetrics Inc Dba Optimetrics Inc).
Key specifications for SLKOW-SL19: Mounting Method: FREE STANDING BASE; Special Features: SLIT LAMP IS A NON-INVASIVE DEVICE THAT IS ABLE TO ILLUMINATION, MAGNIFICATION AND OBSERVATION THE HUMAN EYE; MAGNIFICATION 10X AND 16X; 3 X AA NI-MH BATTERIES. OPHTHALMIC DIAGNOSTIC INSTRUMENTS DESIGNED FOR EXAMINING THE EYE (MOSTLY THE ANTERIOR PART OF THE EYE) USING AN ILLUMINATION SYSTEM COMBINED WITH A BINOCULAR MICROSCOPE. THE INSTRUMENTS USUALLY CONSIST OF ILLUMINATION SOURCES WITH A MECHANISM THAT PROVIDES A SLIT BEAM OF LIGHT INTO THE EYE WITH DIFFERENT TYPES OF ILLUMINATION (E.G., DIRECT OR INDIRECT, FOCAL OR DIFFUSE, BACKGROUND ILLUMINATION), A BINOCULAR MICROSCOPE FOR VIEWING THE MAGNIFIED SLIT IMAGE, AND A CONTROL COMPONENT FOR ADJUSTING THE FOCUS OF THE MICROSCOPE AND THE SLIT (E.G., SLIT ROTATION, SLIT WIDTH); SOME ALSO HAVE REFRACTION MIRRORS TO DIRECT LIGHT TO A CAMERA MOUNTED ABOVE THE MICROSCOPE. SLIT LAMPS PROVIDE A MAGNIFIED VIEW OF EYE STRUCTURES (E.G., EYELID, SCLERA, IRIS, CRYSTALLINE LENS, CORNEA).; Part Name Assigned by Controlling Agency: HAND-HELD SLIT LAMP; Voltage Rating in Volts: 3.0 DC MINIMUM AND 4.8 DC MAXIMUM. 2 specifications are 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.