The Light,slit,ophthal, cataloged under National Stock Number 6540-01-417-7949, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-417-7949 |
| Item Name | Light,slit,ophthal |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| 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 |
|---|---|
| NAVY 1993 2273 | 5/1 Secondary reference U.S. Government activity |
| CS-2 | 3/9 Design control — primary reference Nikon Inc Dba Nikon Americas Inc |
| LLH389474 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 6540-01-417-7949 is a Light,slit,ophthal, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6850-01-449-1615, 7035-01-468-9993, 4310-01-523-6447. Verify interchangeability with system specifications before substitution.
Key specifications for 6540-01-417-7949: Part Name Assigned by Controlling Agency: LIGHT SLIT OPHTHALIC. 0 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.