The Lens Block Chuck,edging Machine,, cataloged under National Stock Number 6540-01-701-5531, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6540-01-701-5531 |
| Primary Part Number | 9K-50-UW |
| Item Name | Lens Block Chuck,edging Machine, |
| 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 |
|---|---|
| 9K-50-UW PRIMARY | Genesis Vision, Inc Dba Genesis Vision Inc (USA) |
| Reference | Meaning |
|---|---|
| 1626770 | 5/1 Secondary reference U.S. Government activity |
| 6540NCM228071 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6540-01-701-5531 is a Lens Block Chuck,edging Machine,, manufactured by Genesis Vision, Inc Dba Genesis Vision Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-701-5531 has 1 manufacturer part number on file: 9K-50-UW (Genesis Vision, Inc Dba Genesis Vision Inc).
Key specifications for 9K-50-UW: Special Features: USED TO HOLD LENSES ON THE SHAFT FOR EDGING; REPAIR PART FOR END ITEM NSN 6540016887154.; Part Name Assigned by Controlling Agency: LENS BLOCK CHUCK, SMALL; End Item Identification: EDGING MACHINE,OPHTHALMIC LENS NSN 6540016887154. 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.