Ophthalmic Bifocal Se Lens Blank

SKU: 6540001044994 | Model:
NSN 6540-00-104-4994 NSN 6540-00-104-4994

Specifications from the Manufacturer

Cross-sectional Shape Style:
Sphere
Diameter:
65.0 millimeters minimum
Thickness:
Any acceptable
Material And Location:
Glass, soda-lime single vision and glass, barium bifocal
Additional Power Rating In Diopters:
1.250 bifocal
Reading Segment Diameter:
25.0 millimeters nominal
Reading Segment Height:
17.5 millimeters nominal
Base Curve Diopter:
6.25 plus nominal
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 ophthalmic semifinished bifocal plus 6.25 plus 1.25
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
Supplementary Features:
Suitable for coating; for use w/aviation spectacle frames
Unit Of Issue Weight:
0.25 pounds
Nondefinitive Spec/std Data:
1 type and a class
Departure From Cited Designator:
As modified by diameter

Pricing and Availability

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More in Ophthalmic Instruments, Equipment, And Supplies

NSN 6540-00-104-4994 Datasheet

Supply Class:

6540 OPHTHALMIC INSTRUMENTS, EQUIPMENT, AND SUPPLIES

Cross Reference:

Cage Codes:

Replaced or Cancelled:

6540-00-104-4994 is not a replacement of any national stock number and has not been cancelled or replaced itself.

Identification:

NIIN: 001044994
NSN: 6540001044994
DEMIL Code: A
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.
ADPE:
CRITL: X
ENAC:
ESD:
HMIC: N
PMIC: A

Reference Drawing:

[drawing of 6540-00-104-4994]

Schedule B & Trade:

7014001000 (NAICS 327212)
Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)
SITC:
66595

Signalling glassware and optical elements of glass (other than elements for spectacles) not optically worked

End Use:
12770

Other industrial supplies

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 6540-00-104-4994 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 6540-00-104-4994 defined?
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.
What is the NIIN of NSN 6540-00-104-4994?
001044994 or 00-104-4994
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 6540001044994 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 6540001044994?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 26, 1968