The Light,slit,ophthalmic, cataloged under National Stock Number 6540-01-706-4868, 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 Topcon Healthcare, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6540-01-706-4868 |
| Primary Part Number | 28070TK |
| Item Name | Light,slit,ophthalmic |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Topcon Healthcare, Inc. |
| Status | ACTIVE |
| Mounting Base Width | 370.0 MILLIMETERS NOMINAL MM |
| Mounting Method | BASE |
| Mounting Base Length | 550.0 MILLIMETERS NOMINAL MM |
| Wiring Provision Method | CABLE |
| Cubic Measure | 11.6609 CUBIC FEET |
| Lamp Type Accommodated and Quantity | 1 FLUORESCENT |
| Filter Color | BLUE AND RED AND AMBER AND INFRARED |
| Voltage Rating in Volts | 100.0 AC MINIMUM AND 240.0 AC 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 |
|---|---|
| 28070TK PRIMARY | Topcon Healthcare, Inc. (USA) |
| 28070TK | Melling Llc Dba Melling Medical Div Melling Medical (USA) |
| Reference | Meaning |
|---|---|
| 1630297 | 5/1 Secondary reference U.S. Government activity |
| 6540NCM228778 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6540-01-706-4868 is a Light,slit,ophthalmic, manufactured by Topcon Healthcare, Inc., classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-706-4868 has 2 manufacturer part numbers on file: 28070TK (Topcon Healthcare, Inc.), 28070TK (Melling Llc Dba Melling Medical Div Melling Medical).
Key specifications for 28070TK: Overall Height: 752.0 MILLIMETERS MINIMUM AND 782.0 MILLIMETERS MAXIMUM MM; Mounting Base Width: 370.0 MILLIMETERS NOMINAL MM; Mounting Method: BASE; Overall Width: 550.0 MILLIMETERS NOMINAL MM. 8 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.