The Lens Blank,ophthalmic,bifocal,se, cataloged under National Stock Number 6540-01-310-4965, 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 Icare Industries Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: PR.
| Parameter | Value |
|---|---|
| NSN | 6540-01-310-4965 |
| Primary Part Number | P6.25 BC P3.00 ADD |
| Item Name | Lens Blank,ophthalmic,bifocal,se |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Icare Industries Inc |
| Status | ACTIVE |
| Base Curve Diopter | 6.25 PLUS NOMINAL |
| Additional Power Rating in Diopters | 3.000 BIFOCAL |
| Style Designator | ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT |
| Diameter | 66.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | SPHERE |
| Reading Segment Diameter | 25.0 MILLIMETERS NOMINAL MM |
| Light Transmission | UNTINTED |
| Material | PLASTIC OVERALL |
| Reading Segment Height | 17.500 INCHES NOMINAL IN |
| Thickness | 7.5 MILLIMETERS NOMINAL MM |
| 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 | PR |
| Part Number | Manufacturer |
|---|---|
| P6.25 BC P3.00 ADD PRIMARY | Icare Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| A89E197 | 5/1 Secondary reference Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa |
| 89-6-19-25 | 5/1 Secondary reference Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa |
NSN 6540-01-310-4965 is a Lens Blank,ophthalmic,bifocal,se, manufactured by Icare Industries Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-310-4965 has 1 manufacturer part number on file: P6.25 BC P3.00 ADD (Icare Industries Inc).
Key specifications for P6.25 BC P3.00 ADD: Base Curve Diopter: 6.25 PLUS NOMINAL; Additional Power Rating in Diopters: 3.000 BIFOCAL; Style Designator: ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT; Diameter: 66.0 MILLIMETERS NOMINAL MM. 10 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.