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NSN 5316908

Optical Instrument Lens

A capacitor, whose capacitance value cannot be adjusted or varied, having a chemically formed film as the dielectric. It may be a single unit, or consist of two or more fixed units which cannot be separated.

doublet compound lens style, 64.500 and 36.600 abbe constant, 13.744 inches back focal length, 0.670 inches nominal compound lens overall axial thickness, 0.393 inches nominal and 0.277 inches nominal axial thickness.

NSN 6650-00-531-6908 Datasheet

(NSN) National Stock Number
6650-00-531-6908
(NIIN) National Item Identification Number
00-531-6908
Requires Demilitarization
Yes
(INC) Item Name Code
21884
Date
Tue, Jan 1, 1963
Schedule B Code
9018500000
Abbe Constant
64.500 and 36.600
Axial Thickness
0.393 inches nominal and 0.277 inches nominal
Back Focal Length
13.744 inches
Compound Lens Overall Axial Thickness
0.670 inches nominal
Compound Lens Style
doublet
Diameter
2.255 inches nominal
Element Left Surface Radius
-6.082 millimeters and 7.390 millimeters
Element Right Surface Radius
-35.390 millimeters and -6.082 millimeters
Equivalent Focal Length
14.130 inches
Individual Lens Style
double convex and meniscus
Material Document And Classification
mil-g-174, grade c, type 517-645 mil spec single material response
Material
glass optical
Refraction Index
1.5170 nominal and 1.6170 nominal

Identification

Demilitarization Code
Q - "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Precious Metals Indicator
A - Item does not contain precious metal.
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0021884

Cross Reference

CAGE Codes

19200
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Government departments or units, including military organizations

Freight Information

Air Commodity
MZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
33020
Water Commodity
744 - Optical goods
National Motor Freight Classification Item Number
057940

Schedule B & Trade

Schedule B
9018-50-0000
Description
other ophthalmic instruments and appliances and parts and accessories
End Use
21610 - Medicinal equipment
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
87225
(NAICS) North American Industrial Classification System
339115

Questions & Answers

  1. What is the FSCG of the NSN 6650-00-531-6908?

    The FSCG of the NSN 6650-00-531-6908 is 6650

  2. Does the NSN 6650-00-531-6908 have a Schedule B code assigned?

    Yes, the Schedule B code is 9018500000

  3. Does NSN 6650-00-531-6908 require demilitarization?

    "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

  4. Does NSN 6650-00-531-6908 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 6650-00-531-6908 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  6. When the NSN 6650-00-531-6908 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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