The Generator,ophthalmic Lens, cataloged under National Stock Number 6540-01-256-6238, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6540-01-256-6238 |
| Item Name | Generator,ophthalmic Lens |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| Lens Size Accommodated | +46.000 TO 80.000 MILLIMETERS MM |
| Current Type | AC |
| Abrasive Wheel Surface Speed Rating | 5500.0 FEET PER MINUTE FT |
| Design Type | FLOOR |
| Abrasive Wheel Type | DIAMOND |
| Curve Generating Range in Diopters | -20.00 TO 20.00 |
| Precision Plotting Device | INCLUDED |
| Frequency Rating | 60.0 HERTZ MAXIMUM |
| Frequency Rating | 50.0 HERTZ NOMINAL |
| Voltage Rating | 230.0 VOLTS NOMINAL |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 0690-08 MDL 108-B | 3/9 Design control — primary reference Gerber Coburn Optical Industries Inc |
| 41600-00 | 5/9 Secondary reference Gerber Coburn Optical Industries Inc |
NSN 6540-01-256-6238 is a Generator,ophthalmic Lens, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
Key specifications for 6540-01-256-6238: Lens Size Accommodated: +46.000 TO 80.000 MILLIMETERS MM; Current Type: AC; Abrasive Wheel Surface Speed Rating: 5500.0 FEET PER MINUTE FT; Design Type: FLOOR. 11 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.