6540-01-310-4964

Semifinished Bifocal Ophthalmic Lens Blank email this page

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Reference images of this national stock number
Reference of NSN 6540-01-310-4964 Reference of NSN 6540-01-310-4964

Model or part number: 89-6-19-26

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About this product
Flat top; cr-39; segment positioned 5 mm below and 5 mm in from geometric center for right and left lenses (porm 2 mm)

pdf NSN 6540-01-310-4964 Datasheet

MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Sphere
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
66.0 millimeters
MRC:
A measurement of the smallest dimension of an item,in distinction from length or width.ABNM
Thickness:
7.5 millimeters
MRC:
The element,compound,or mixture of which the item is fabricated,excluding and surface treatment,and its location.AKEL
Material And Location:
Plastic
MRC:
A section and/or sections of ophthalmic glass with a higher index of refraction which has been added to the major lens,expressed in diopters.AKQM
Additional Power Rating In Diopters:
2.750 bifocal
MRC:
None.AKQV
Reading Segment Diameter:
25.0 millimeters
MRC:
None.AKQW
Reading Segment Height:
17.500 inches
MRC:
A measurement of the base curve,expressed in diopters.AKQZ
Base Curve Diopter:
6.25 plus
MRC:
A measurement of the cross curve,expressed in diopters.AKRA
Cross Curve Diopter:
Any acceptable
MRC:
An indication of the light transmittance character of the item.AKZS
Light Transmission:
Untinted
MRC:
None.CWMT
Sphere Curve Inside Diopter:
Any acceptable
MRC:
None.CWND
Sphere Curve Outside Diopter:
Any acceptable
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Round with straight top bifocal segment
MRC:
--
NIIN:
013104964
MRC:
--
NATO Stock Number:
6540-01-310-4964
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A22000
MRC:
--
INC:
30300
MRC:
--
IMM:
KX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 6540-01-310-4964

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.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
M
SPI No.:
MPPWN00001
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Z
LVL_B:
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
ZZ
MOP:
ZZ
PKG:
ZZZZ
PRES MAT:
ZZ
WRAP MAT:
ZZ
ICQ:
THK:
Z
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Z

Special requirement. see specific instructions or drawings provided.

Procedure Indicator Code (OPI) M

All packaging data is mandatory for compliance and no substitutions are permitted. fast packs should be included in this category.

Special Markings Code (SPC_MKG) ZZ

Special requirements.

Method of Preservation (MOP) ZZ

See j.4.1.B.

Cushion Material (CUSH) ZZ

Special requirements. see specific instructions or drawings provided.

Preservation Material (PRES_MAT) ZZ

Special requirement. see specific instructions or drawings provided.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
7014001000
NAICS:
327212
End Use Class:
12770
SITC:
66595
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 7014001000

Lens Blanks (other Than For Spectacles) Not Optically Worked, Of Glass, (optical Elements)

End Use Code 12770

Other Industrial Supplies

Standard Intl. Trade Class (SITC) 66595

Signalling Glassware and Optical Elements Of Glass (other Than Elements For Spectacles) Not Optically Worked

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
057940
NMF Description:
Lenses Optical Noi
UFC:
33020
LTL:
Rating variable
LCL:
--
WCC:
744
TCC:
Z
SHC:
9
ADC:
A
ACC:
M

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 744

Optical goods.

Air Commodity (ACC) M

Medical supplies, equipment, samples, records, etc..

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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