The Optics Carrier for M501, cataloged under National Stock Number 6515-01-520-3475, is classified within Federal Supply Class 6515 (Medical and Surgical Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Leica Microsystems 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6515-01-520-3475 |
| Primary Part Number | 10446990 |
| Item Name | Optics Carrier for M501 |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Leica Microsystems 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 |
|---|---|
| 10446990 PRIMARY | Leica Microsystems Inc. (USA) |
| Reference | Meaning |
|---|---|
| 04-0786 | 5/1 Secondary reference U.S. Government activity |
| 6515NCM040660 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6515-01-520-3475 is a Optics Carrier for M501, manufactured by Leica Microsystems Inc., classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-520-3475 has 1 manufacturer part number on file: 10446990 (Leica Microsystems Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3770-01-658-5154. Verify interchangeability with system specifications before substitution.
Key specifications for 10446990: Special Features: OPTICS CARRIER FOR THE SURGICAL MICROSCOPE MODEL M501 BY LEICA, NSN 6515-01-519-1180; Part Name Assigned by Controlling Agency: OPTICS CARRIER FOR LEICA SURGICAL MICROSCOPE NSN 6515-01-519-1180. 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.