The Blocking Body,ophthalmic Lens, cataloged under National Stock Number 6540-01-700-9431, 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 Genesis Vision, Inc Dba Genesis Vision Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-700-9431 |
| Primary Part Number | RO-LB-HALFEYE |
| Item Name | Blocking Body,ophthalmic Lens |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Genesis Vision, Inc Dba Genesis Vision 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| RO-LB-HALFEYE PRIMARY | Genesis Vision, Inc Dba Genesis Vision Inc (USA) |
| Reference | Meaning |
|---|---|
| 1626652 | 5/1 Secondary reference U.S. Government activity |
| 6540NCM227939 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6540-01-700-9431 is a Blocking Body,ophthalmic Lens, manufactured by Genesis Vision, Inc Dba Genesis Vision Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-700-9431 has 1 manufacturer part number on file: RO-LB-HALFEYE (Genesis Vision, Inc Dba Genesis Vision Inc).
Key specifications for RO-LB-HALFEYE: Special Features: USED TO PROTECT THE LENS DURING THE GRINDING PROCESS; SUPPORT PART FOR END ITEM NSN 6540-01-688-7154; Part Name Assigned by Controlling Agency: LENS BLOCK; End Item Identification: EDGING MACHINE,OPHTHALMIC LENSNSN 6540-01-688-7154. 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.