Product Details | SEMIFINISHED BIFOCAL OPHTHALMIC LENS BLANK

6540-01-383-8946 A transparent optical element consisting of a major blank and a bifocal segment. The blank and segment have been pressed in a glass mold to an approximate size and shape, and are ground and polished to a finished diopter curvature on one surface only.

Part Alternates: P1000BCP275ADDCR39, 6540-01-383-8946, 01-383-8946, 6540013838946, 013838946

Medical, Dental, and Veterinary Equipment and Supplies | Ophthalmic Instruments, Equipment, and Supplies

Supply Group (FSG) NSN Assign. NIIN
65 06-DEC-93 01-383-8946

Drawings & Photos | NSN 6540-01-383-8946


Cross Reference | NSN 6540-01-383-8946

Part Number Cage Code Manufacturer
P10.00 BC, P2.75 ADD, CR-39 2N078 SOLA OPTICAL USA INC

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Technical Data | NSN 6540-01-383-8946

Characteristic Specifications
STYLE DESIGNATOR A2 ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT
DIAMETER 71.0 MILLIMETERS MINIMUM
THICKNESS 6.0 MILLIMETERS NOMINAL
READING SEGMENT DIAMETER 35.0 MILLIMETERS NOMINAL
READING SEGMENT HEIGHT 19.0 MILLIMETERS NOMINAL
MATERIAL AND LOCATION PLASTIC BIFOCAL
LIGHT TRANSMISSION UNTINTED
CROSS-SECTIONAL SHAPE STYLE D3 SPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER 10.00 PLUS NOMINAL
ADDITIONAL POWER RATING IN DIOPTERS 2.750 BIFOCAL
SPECIAL FEATURES CR-39; CONVEX
III INTERMEDIATE PACKAGE QUANTITY 5
III EXTERIOR CONTAINER QUANTITY 180
III UNIT OF ISSUE WEIGHT 0.264 POUNDS
III EXTERIOR CONTAINER WEIGHT 47.520 POUNDS
III UNIT OF ISSUE CUBE 0.0062 CUBIC FEET
III PART NAME ASSIGNED BY CONTROLLING AGENCY LENS BLANK OPHTH BIFOCAL SEMIFINISHED PLAS+10.00 ADDL2.75DIOPTER
III EXTERIOR CONTAINER CUBIC MEASURE 1.1250 CUBIC FEET

Restrictions/Controls & Freight Information | NSN 6540-01-383-8946

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information