Optical Instrument Lens
799597-1
(NSN) National Stock Number
6650-00-026-8137
Federal Supply Classification
6650 Components and Accessories Test Equipment Optical Instruments
Item Name Code
21884
Schedule B Code
9018500000
Summary
1.377 inches nominal diameter, 0.492 inches nominal and 0.074 inches nominal axial thickness, 1.058 inches nominal compound lens overall axial thickness, 0.835 inches nominal compound lens edge thickness, 4.112 inches equivalent focal length, 3.729 inches back focal length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
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.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 21884 | T271-E | 1 | 2 |
Specifications
Diameter
1.377 inches nominal
Details
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.Axial Thickness
0.492 inches nominal and 0.074 inches nominal
Details
A measurement of the axial thickness of an item,in distinction from length or width.Compound Lens Overall Axial Thickness
1.058 inches nominal
Details
An overall measurement of the smallest dimension through the center of the outer surfaces of a compound lens,in distinction from length or width.Compound Lens Edge Thickness
0.835 inches nominal
Details
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.Equivalent Focal Length
4.112 inches
Details
A measurement of the longest dimension from the center of a lens to either of its focal points,in distinction from width.Back Focal Length
3.729 inches
Details
A measurement of the longest reciprocal dimension from the back surface of the lens to the secondary focal point,in distinction from width.Front Focal Length
3.729 inches
Details
A measurement of the longest dimension from the primary focal point to the front surface of a lens.Refraction Index
1.5110 nominal and 1.6210 nominal
Details
An indication of the ratio of the speed of light in the first medium to its speed in the second medium.Abbe Constant
63.500 and 36.200
Details
The fixed angle of refraction of the abbe prism.Compound Lens Style
triplet
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a compound lens.Individual Lens Style
double convex and double concave
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.Element Left Surface Radius
-0.985 inches and 2.165 inches and 0.985 inches
Details
The radius of the left surface of the element.Element Right Surface Radius
-0.985 inches and 0.985 inches and 2.165 inches
Details
The radius of the right surface of the element.Material
glass optical
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
jan-g-174, grade c mil spec single material response
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 799597-1 | 10001 | 2 | - | 5 | 9 | - | HD |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 33110 | - | D | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 651 | Z | 9 |
What's Included?
- Certificate of Conformity
- QC Inspection prior to shipping
- On time delivery
- Friendly service to back every order
Manufacturer
FAQs
Frequently asked questions for NSN 6650-00-026-8137
What is the NIIN of the NSN 6650-00-026-8137?
The National Item Identification Number (NIIN) of the NSN 6650-00-026-8137 is 00-026-8137
When the NSN 6650-00-026-8137 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 6650-00-026-8137 contain any precious metals?
Does not contain precious metal
Does the NSN 6650-00-026-8137 contain any hazardous material?
No data in HMIRS
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