The Diagnostic System,ophthalmic, cataloged under National Stock Number 6540-01-629-2759, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-629-2759 |
| Primary Part Number | 777-SM2XXX |
| Item Name | Diagnostic System,ophthalmic |
| 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 |
|---|---|
| 777-SM2XXX PRIMARY | Welch Allyn, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6540NCM141152 | 5/1 Secondary reference Defense Medical Standardization Board |
| 77710-71M | 5/9 Secondary reference Welch Allyn, Inc. |
| 1200935 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-629-2759 is a Diagnostic System,ophthalmic, manufactured by Welch Allyn, Inc., classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-629-2759 has 1 manufacturer part number on file: 777-SM2XXX (Welch Allyn, Inc.).
Key specifications for 777-SM2XXX: Special Features: INCLUDES WALL TRANSFORMER NO.77710, COAXIAL OPHTHALMOSCOPE NO.11720-L (NSN 6515013728819), DIAGNOSTIC MACROVIEW OTOSCOPE NO.23810, TWO CORDED HANDLES WITH 12 FOOT CORDS; INTEGRATED HANDLE RHEOSTAT CONTROLS FOR LIGHT INTENSITY; COMPATIBLE WITH ALL WELCH ALLYN 3.5 VOLT INSTRUMENT HEADS; 100-240 V, 50-60 HZ AC, IEC PLUG TYPE-B. V; Part Name Assigned by Controlling Agency: TRANSFORMER CONTINUOUS POWER OPHTHALMIC. 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.