NSN 6540-01-182-3921

Part Details | OPHTHALMIC PERIMETER

6540-01-182-3921 An apparatus for determining the extent of the peripheral visual field on a curved surface.

Alternate Parts: 4316P, 4-316-P, 6540-01-182-3921, 01-182-3921, 6540011823921, 011823921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65JUN 23, 198401-182-392134739 ( PERIMETER, OPHTHALMIC )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6540-01-182-3921
Part Number Cage Code Manufacturer
4-316-P64616DEFENSE MEDICAL STANDARDIZATIONBOARD
Technical Data | NSN 6540-01-182-3921
Characteristic Specifications
CURRENT TYPE AC
SPECIAL FEATURES120/230 VOLTS 50/60 HZ; UTILIZES SPHERICAL PROJECTION TO PROVIDE DIRECT REGISTRATION OF ABSOLUTE TARGET BRIGHTNESS OF 31.5 ASB MAXIMUM AND SPHERE LUMINOSITY OF 1000 ASB MAXIMUM ON A 30 CM RADIUS PROJECTION HEMISPHERE SURFACE; SPRING-BALANCED,CENTER POSTED TABLE,WITH PRECISE BALANCE FOR INSTRUMENT WEIGHT; CONTAINS A TELESCOPE WITH MAGNIFICATION NOT LESS THAN 1.85X; ADJUSTABLE TARGET SIZES OF 64,16,4,1/4 AND 1/16 SQ MM WITH MINIMUM THREE BUILT-IN GRAY FLILTERS HAVING RELATIVE LIGHT INTENSITY LEVELS RANGED FROM 0.0315 TO 1.00; THREE FILTER CAPS ATTACHMENT WITH RED,GREEN AND BLUE COLOR EACH; CHIN ADJUSTMENT RANGE: VERTICALLY-IN EXCESS OF 80 MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPERIMETER OPHTHALMIC: