The Lens Measuring Instrument,ophtha, cataloged under National Stock Number 6540-00-299-8134, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6540-00-299-8134 |
| Item Name | Lens Measuring Instrument,ophtha |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Status | ACTIVE |
| Component and Quantity | CABLE ASSEMBLY,POWER 1; HOLDER,AUXILARY PRISMS 1; HOLDER,LENS 1; LIGHT SOURCE 1; MARKER,LENS 1; RESERVOIR,INK 1; TABLE,LENS ALIGNMENT 1; WHEEL,DIOPTRIC POWER 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M603B | 5/1 Secondary reference American Optical Co |
| 21-65-70-01 | 5/1 Secondary reference Leica Inc Surveying and Photogrammetry Systems Div |
| MODEL 70 VERTOMETER | 5/1 Secondary reference Leica Microsystems Inc. Dba Ophthalmic Instruments |
| MILL36304 | 2/2 Government specification standardization U.S. Government activity |
| 21-65-70-01 | 5/1 Secondary reference Bausch & Lomb Inc |
NSN 6540-00-299-8134 is a Lens Measuring Instrument,ophtha, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
Key specifications for 6540-00-299-8134: Component and Quantity: CABLE ASSEMBLY,POWER 1; HOLDER,AUXILARY PRISMS 1; HOLDER,LENS 1; LIGHT SOURCE 1; MARKER,LENS 1; RESERVOIR,INK 1; TABLE,LENS ALIGNMENT 1; WHEEL,DIOPTRIC POWER 1; Part Name Assigned by Controlling Agency: LENS MEASURING INSTRUMENT OPHTHALMIC 115 VOLT 60 HZ AC. 1 specification is 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.