The Lens,ophthalmic,sphere, cataloged under National Stock Number 6540-01-530-1333, 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 Volk Optical Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6540-01-530-1333 |
| Primary Part Number | VQFL |
| Item Name | Lens,ophthalmic,sphere |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Volk Optical Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| VQFL PRIMARY | Volk Optical Inc (USA) |
| 137769 | Luneau SAS (FRA) |
| QUADRASPHERIC | Volk Optical Inc (USA) |
NSN 6540-01-530-1333 is a Lens,ophthalmic,sphere, manufactured by Volk Optical Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-530-1333 has 3 manufacturer part numbers on file: VQFL (Volk Optical Inc), 137769 (Luneau SAS), QUADRASPHERIC (Volk Optical Inc).
Key specifications for VQFL: Special Features: QUADRASPHERIC LENS FOR WIDE FIELD DIAGNOSIS/TREATMENT OF RETINA; INDIRECT CONTACT LENS; 130 DEG FUNDUS LASER LENS; HOUSING DIA 28.6MM; EXCELLENT FOR EXAMINATION OF SMALL PUPIL FUNDUS/GENERAL DIAGNOSTIC/LASER LENS; COMBINES WIDE FIELD VIEWING OF PERIPHERAL RETINA; IMAGE MAGNIFICATION 0.51X/LASER SPOT 1.97X; ORBIT MANEUVERABILITY; REFLECTION DISPLACEMENT; EASY TO USE MM. 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.