ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Se Bifocal Ophthalmic Lens Blank NSN 6540-00-926-4716

Item Description

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.

NSN 6540-00-926-4716 NSN: 6540-00-926-4716

Features and Characteristics

Cross Sectional Shape
Sphere
Diameter
Between 54.0 millimeters and 58.0 millimeters
Thickness
Any acceptable
Material And Location
Glass, soda-lime single vision and glass, barium bifocal
Additional Power Rating In Diopters
2.250 bifocal
Reading Segment Diameter
25.0 millimeters
Reading Segment Height
17.5 millimeters
Base Curve Diopter
4.25 plus
Cross Curve Diopter
Any acceptable
Light Transmission
Untinted
Sphere Curve Inside Diopter
Any acceptable
Sphere Curve Outside Diopter
Any acceptable
Part Name Assigned By Controlling Agency
Lens blank ophth bifocal semifinished glass+4.25 addl2.25diopter
Exterior Container Weight
45.00 pounds
Exterior Container Cubic Measure
1.100 cubic feet
Exterior Container Quantity
180
Intermediate Package Quantity
5
Style Designator
Round with straight top bifocal segment
Unit Of Issue Cube
0.0061 cubic feet
Unit Of Issue Weight
0.25 pounds
Nondefinitive Specification/std Data
1 type and a class
FSC
6540 Supplies Equipment Ophthalmic Instruments
NIIN
009264716
NSN
6540009264716

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILL16991
Cage Code:
81349
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7014001000
  • NAICS: 327212
  • SITC: 66595
  • Description: Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 6540-00-926-4716
What are the manufacturers of nsn 6540009264716?
Does this nsn 6540009264716 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6540009264716
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.
Does nsn 6540009264716 contain any precious metals?
No precious metal content.
Does nsn 6540009264716 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6540009264716?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
30300
FIIG:
A22000
App. Key:
AF
Cond. Code:
1
Status:
A

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo