The Perimeter,ophthalmic, cataloged under National Stock Number 6540-01-165-9440, 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 Defense Medical Standardization Board. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Perimeter,ophthalmic |
| FSC / FSG | 6540 — Ophthalmic Instruments, Equipment, and Supplies (FSG 65) |
| Manufacturers | Defense Medical Standardization Board (CAGE 64616) |
| Parameter | Value |
|---|---|
| NSN | 6540-01-165-9440 |
| Primary Part Number | CN 3-2353-F |
| Item Name | Perimeter,ophthalmic |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Defense Medical Standardization Board |
| Status | ACTIVE |
| Current Type | AC |
| Design Designation | TOPCON |
| 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 |
|---|---|
| CN 3-2353-F PRIMARY | Defense Medical Standardization Board (USA) |
NSN 6540-01-165-9440 is a Perimeter,ophthalmic, manufactured by Defense Medical Standardization Board, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-165-9440 has 1 manufacturer part number on file: CN 3-2353-F (Defense Medical Standardization Board).
Key specifications for CN 3-2353-F: Current Type: AC; Design Designation: TOPCON; Special Features: HEMISPHERICAL PROJECTION TYPE; 120/230 VOLT; 50/60 HZ; 200 WATTS MAX; 1.9X TELESCOPE MAGNIFICATION; 60 STEP BRIGHTNESS; 3 SETS GRAY FILTERS; 6 DIAPHRAGMS; 50 MM DIA AREA-COVERING CAPABILITY; DIOPTRIC RANGE IN EXCESS OF + OF - 6 DIOPTERS; CHIN REST VERTICAL RANGE IN EXCESS OF 60 MM AND LATERAL IN EXCESS OF 90 MM; AUTO AND MANUAL OPERATED RECORDING DEVICE; PATIENT-ACTIVATED BUZZER; TARGET/BACKGROUND LAMP; 2 RECORDING CHARTS; PROJECTION SURFACE 300 MM RADIUS W/WHITE BACKGROUND ADJUSTS TO THE MAX BRIGHTNESS 31.5 A S B; 20 X 30 IN. TABLE TOP; LIGHT METER W/BATTERY; CORRECTION LENS FRAME; CLEANING BRUSH; SILICONE CLOTH; AIR BLOWER; DUST COVER; 400 SETS RECORDING CHARTS; 400 CHIN-REST PADS; 2 TARGET/BACKGROUND LAMPS; 2 RECORDING CHART ILLUMINATION LAMPS AND FUSES OR CIRCUIT BREAKERS PROTECTIVE DEVICES; MEASURES LIGHT PERCEPTION,PERIPHERAL AND CENTRAL FIELDS,AND BLIND SPOTS; FOR USE IN FIELD ASSEMBLIES ONLY A; Part Name Assigned by Controlling Agency: PERIMETER OPHTHALMIC HEMISPHER PROJECTI TYPE 120/230V 50/60HZ AC V. 2 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.