The Light,slit,ophthalmic, cataloged under National Stock Number 6540-01-640-9448, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6540-01-640-9448 |
| Item Name | Light,slit,ophthalmic |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| Mounting Method | PORTABLE |
| Features Provided | PORTABLE |
| 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 |
| Reference | Meaning |
|---|---|
| POSL | 3/1 Design control — primary reference Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa |
| 6540NCM141540 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1248377 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-640-9448 is a Light,slit,ophthalmic, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
Key specifications for 6540-01-640-9448: Mounting Method: PORTABLE; Features Provided: PORTABLE; Special Features: PORTABLE OPHTHALMIC SLIT LAMP; HAND-HELD INSTRUMENT CONSISTING OF A HIGH-INTENSITY LIGHT SOURCE THAT CAN BE FOCUSED TO SHINE A THIN SHEET OF LIGHT INTO THE EYE; USED IN CONJUNCTION WITH A STEREO-MICROSCOPE; SLIT LAMP IS USED IN EYE EXAMINATION OF THE ANTERIOR EYE SEGMENT, FROM THE CORNEA EPITHELIUM TO THE POSTERIOR CAPSULE; USED TO AID IN THE DIAGNOSIS OF DISEASE AND TRAUMA WHICH AFFECT THE STRUCTURAL PROPERTIES OF THE ANTERIOR EYE SEGMENT; PORTABLE SLIT LAMP CAN BE USED ON ANY PATIENT IN ANY POSITION, AND IS IDEAL FOR NON-AMBULATORY PATIENTS; Part Name Assigned by Controlling Agency: LIGHT SLIT OPHTHALMIC PORTABLE DEVICE CODE 12281. 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.