The Light,slit,ophthalmic, cataloged under National Stock Number 6540-01-120-2629, 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 2 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-120-2629 |
| Primary Part Number | SL-SD W/PROVISIONING |
| Item Name | Light,slit,ophthalmic |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Topcon Healthcare, Inc. |
| Status | ACTIVE |
| Mounting Method | BASE |
| Voltage Rating in Volts | 110.0 AC MINIMUM AND 220.0 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 |
|---|---|
| SLTOSLD7T | Ophthalmic Instruments, Inc. (USA) |
| SL-SD W/PROVISIONING PRIMARY | Topcon Healthcare, Inc. (USA) |
NSN 6540-01-120-2629 is a Light,slit,ophthalmic, manufactured by Topcon Healthcare, Inc., classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-120-2629 has 2 manufacturer part numbers on file: SLTOSLD7T (Ophthalmic Instruments, Inc.), SL-SD W/PROVISIONING (Topcon Healthcare, Inc.).
Key specifications for SL-SD W/PROVISIONING: Mounting Method: BASE; Special Features: 25 WATTS; W/12.5X,16X AND 20X EYEPIECES; 6X,10X,16X,25X,40X REVOLVER TYPE MAGNIFICATION CHANGER; ROTATABLE SLIT ILLUMINATOR SYSTEM PROVIDING VARIABLE SLIT LENGTHS IN STEPS 9.0,7.0,5.0,3.5,2.5 AND 0.3 MM AND SLIT WIDTH CONTINUOUS FROM 0 TO 8 MM; APERTURE DIAPHRAGMS OF 8,5,3,1 AND 0.2 MM; TWO BUILT IN FILTERS,BLUE AND RED-FREE,HRUBY LENS FOCUSING SPOT,FIXATION DEVICE,EYEPIECES,OBJECTIVE,CHIN REST TISSUES,6 VOLT FIXATION BULBS,12 VOLT ILLUMINATION BULBS AND FUSES; REQUISITION SHOULD SPECIFY VOLTAGE AND FREQ REQUIRED,AND WHETHER ADJUSTABLE INSTRUMENT TABLE AND APPLANATIONTONOMETER ARE DESIRED; FOR FIELD ASSEMBLIES ONLY MM; Part Name Assigned by Controlling Agency: LIGHT SLIT OPHTHALMIC BASE MOUNTED115OR230VOLT50-60HZ AC; Voltage Rating in Volts: 110.0 AC MINIMUM AND 220.0 AC 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.