The Lens,ophthalmic,otoscope, cataloged under National Stock Number 6540-01-573-5308, 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 Welch Allyn, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6540-01-573-5308 |
| Primary Part Number | 209026-502 |
| Item Name | Lens,ophthalmic,otoscope |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Welch Allyn, 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 |
|---|---|
| 209026-502 PRIMARY | Welch Allyn, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 209026-502 | 3/9 Design control — primary reference Welch Allyn Holdings, Inc. |
| 6540NCM093310 | 5/1 Secondary reference Defense Medical Standardization Board |
| 11160 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-573-5308 is a Lens,ophthalmic,otoscope, manufactured by Welch Allyn, Inc., classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-573-5308 has 1 manufacturer part number on file: 209026-502 (Welch Allyn, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-646-0756. Verify interchangeability with system specifications before substitution.
Key specifications for 209026-502: Special Features: OPHTHALMIC LENS AND ATTACHABLE ARM; FOR USE W/ END ITEM 6515-01-529-8155 DIAGNOSTIC KIT, OPHTHALMOSCOPE AND OTOSCOPE IN VES (VETERINARY EQUIPMENT SET); Part Name Assigned by Controlling Agency: LENS OPHTHALMIC AND ATTACHABLE ARM VES; End Item Identification: 6515-01-529-8155 DIAGNOSTIC KIT, OPHTHALMOSCOPE AND OTOSCOPE. 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.