The Case,carrying,binocular Indirect, cataloged under National Stock Number 6540-01-558-3410, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-558-3410 |
| Primary Part Number | 05120-U |
| Item Name | Case,carrying,binocular Indirect |
| 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 |
|---|---|
| 05120 | Cardinal Health 200, Llc (USA) |
| 05120-U PRIMARY | Welch Allyn, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 05120-U | 3/9 Design control — primary reference Welch Allyn Holdings, Inc. |
| 6640NCM072066 | 5/1 Secondary reference Defense Medical Standardization Board |
| 5502 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-558-3410 is a Case,carrying,binocular Indirect, manufactured by Welch Allyn, Inc., classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-558-3410 has 2 manufacturer part numbers on file: 05120 (Cardinal Health 200, Llc), 05120-U (Welch Allyn, Inc.).
Key specifications for 05120-U: Special Features: LARGE SIZE; SOFT CARRYING CASE; FOR USE WITH THE BINOCULAR INDIRECT OPHTHALMOSCOPE, NSN: 6540-01-557-4415; Part Name Assigned by Controlling Agency: CASE BIO SOFT CARRYING. 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.