6650-00-346-8211

Optical Instrument Lens email this page
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Reference images of this national stock number
Reference of NSN 6650-00-346-8211

Model or part number: 8567555

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Description

Objective Lens NSN 6650-00-346-8211.

pdf NSN 6650-00-346-8211 Datasheet

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:
1.220 inches
MRC:
A measurement of the axial thickness of an item,in distinction from length or width.BMLY
Axial Thickness:
0.3662 inches and 0.0866 inches
MRC:
An overall measurement of the smallest dimension through the center of the outer surfaces of a compound lens,in distinction from length or width.BMMN
Compound Lensaxial Thickness:
Between 0.429 inches and 0.469 inches
MRC:
A measurement of the smallest dimension across the edge of a compound lens from one surface to the other,in distinction from length or width.BMMP
Compound Lens Edge Thickness:
0.281 inches
MRC:
A measurement of the longest dimension from the center of a lens to either of its focal points,in distinction from width.BMMS
Equivalent Focal Length:
2.603 inches
MRC:
A measurement of the longest reciprocal dimension from the back surface of the lens to the secondary focal point,in distinction from width.BMMT
Back Focal Length:
2.491 inches
MRC:
An indication of the ratio of the speed of light in the first medium to its speed in the second medium.BMMX
Refraction Index:
1.5170 and 1.6490
MRC:
The fixed angle of refraction of the abbe prism.BMMZ
Abbe Constant:
64.500 and 33.800
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a compound lens.BMSC
Compound Lens Style:
Doublet
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.BMSD
Individual Lens Style:
Double convex and meniscus diverging
MRC:
The radius of the left surface of the element.CTKW
Element Left Surface Radius:
1.9405 inches and -1.1957 inches
MRC:
The radius of the right surface of the element.CTKX
Element Right Surface Radius:
-1.1957 inches and -2.7240 inches
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, mil-g-174, class 1, grade c
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass optical
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-g-174, class 1, grade c military specification single material response
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Sight periscope m25, integrated with fire control equipment
MRC:
--
NIIN:
003468211
MRC:
--
NATO Stock Number:
6650-00-346-8211
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
Yes - DEMIL/MLI
Export Control Information  
MRC:
N/A
MIL-STD
MIL-G-174 Spec.
FIIG:
--
FIIG:
T271-E
MRC:
--
INC:
21884
MRC:
--
IMM:
TX CX
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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 6650-00-346-8211

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes reticle, optical instrument.

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:
9018500000
NAICS:
339115
End Use Class:
21610
SITC:
87225
USDA:
1
HITECH:
2

Schedule B Codes Definitions:

Schedule B 9018500000

Other Ophthalmic Instruments and Appliances and Parts and Accessories

End Use Code 21610

Medicinal Equipment

Standard Intl. Trade Class (SITC) 87225

Ophthalmic Instruments and Appliances, N.e.s.

Manufacturers

This NSN is registered to the following cage codes.
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