The Marker,ophthalmic Lens, cataloged under National Stock Number 6540-00-753-4974, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-00-753-4974 |
| Item Name | Marker,ophthalmic Lens |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| Base Type | FLAT |
| Current Type | AC |
| Lamp Bulb Size Designator | S-8 |
| Lamp Wattage Rating in Watts | 50.000 |
| Lamp Voltage Rating in Volts | 12.0 |
| Accessory Components and Quantity | BLANKS 2; INK,WATERPROOF,ORANGE,8 FL. OZ (239 ML) 1 BOTTLE; LAMP,12 VOLT 1; LENS,PAD 3; PAD,INK 1; STAMP,HEAD 1 |
| Lamp Base Style | DOUBLE CONTACT BAYONET CANDELABRA |
| Lamp Transparency | CLEAR |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Material | ALUMINUM ALLOY |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Lamp Quantity | 1 |
| Lamp Bulb Shape Style | STRAIGHT SIDE, S |
| Segment/magnifier Type | INTEGRAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 4875-00G | 3/9 Design control — primary reference Aircraft Tank Service Inc |
NSN 6540-00-753-4974 is a Marker,ophthalmic Lens, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
Key specifications for 6540-00-753-4974: Base Type: FLAT; Current Type: AC; Lamp Bulb Size Designator: S-8; Lamp Wattage Rating in Watts: 50.000. 14 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.