The Handle,lens Holder, cataloged under National Stock Number 6540-01-473-3709, 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 Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-473-3709 |
| Primary Part Number | L10123 |
| Item Name | Handle,lens Holder |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart |
| 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 |
|---|---|
| L10123 PRIMARY | Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart (USA) |
| Reference | Meaning |
|---|---|
| 99-1448 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-473-3709 is a Handle,lens Holder, manufactured by Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-473-3709 has 1 manufacturer part number on file: L10123 (Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-601-8971. Verify interchangeability with system specifications before substitution.
Key specifications for L10123: Part Name Assigned by Controlling Agency: HANDLE LENS HOLDER END ITEM 6540014730353 LENSMETER; End Item Identification: LENSMETER, C/N 99-1441, P/N 4005, MODEL 201, NSN 6540-01-473-0353. 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.