NSN 6540-00-142-8709 NIIN 001428709 — Se Bifocal Ophthalmic Lens Blank

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NSN

Item Name

Assigned

DEMIL

Shelf Life

UOM

Using Services

NSN:

		6540-00-142-8709
6540001428709

Description:

LENS BLANK,OPHTHALMIC,BIFOCAL,SE

NSN Assigned:

04-OCT-68

DEMIL:

Shelf Life:

N/A

UOM:

5 PR

Using Services:

Navy, Air Force, Army

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Quality Commitment

Serving our customers with quality and safety first.

AS9120 Certified
Audited supply chain
ITAR Registered
DDTC Registered
HAZMAT Certified
Customer service objectives
Every product 100% inspected

6540-00-142-8709 Specification Set by the OEM (see RNCC code 3)

Cross-sectional Shape Style AAGR:

sphere

Diameter ABMZ:

65.0 mm

Thickness ABNM:

4.0 mm

Material And Location AKEL:

glass, SODA-Lime single vision and glass, barium bifocal

Tinted Area Light Transmittance In Percent AKQL:

31.0

Additional Power Rating In Diopters AKQM:

1.500 bifocal

Reading Segment Diameter AKQV:

25.0 mm

Reading Segment Height AKQW:

17.5 mm

Base Curve Diopter AKQZ:

8.25 plus

Cross Curve Diopter AKRA:

any acceptable

Light Transmission AKZS:

tinted

Sphere Curve Inside Diopter CWMT:

any acceptable

Sphere Curve Outside Diopter CWND:

any acceptable

Part Name Assigned By Controlling Agency CXCY:

lens blank ophthalmic semifinished bifocal plus 8.25 plus 1.50

Exterior Container Weight ECWT:

45.00 pounds

Exterior Container Cubic Measure EXME:

1.100 cubic feet

Exterior Container Quantity EXQT:

180

Intermediate Package Quantity PKQT:

Style Designator STYL:

round with straight top bifocal segment

Unit Of Issue Cube SUCB:

0.0061 cubic feet

Unit Of Issue Weight SUWT:

0.25 pounds

Nondefinitive Spec/std Data ZZZT:

1 type and a class

Departure From Cited Designator ZZZX:

as modified by thickness

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

MILL36460

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30300

FIIG:

A22000

Concept No.:

App. Key:

Cond. Code:

Status:

STYLE DESIGNATOR ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT style nsn 6540-00-142-8709

CROSS-SECTIONAL SHAPE STYLE SPHERE style nsn 6540-00-142-8709

Definition Definition of approved item name (AIN): "LENS BLANK,OPHTHALMIC,BIFOCAL,SE"

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.

6540-00-142-8709 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Identification Codes

HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.

PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.