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Optical Instrument Lens

NSN: 6650-00-346-8211 | Model: 8567555
ITAR Registered seal

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.

NSN Properties and Flags
NATO Stock Number
6650-00-346-8211
DEMIL
Yes - ITAR Controlled (Code Q)
Diameter
1.220 inches
Axial Thickness
0.3662 inches and 0.0866 inches
Compound Lensaxial Thickness
Between 0.429 inches and 0.469 inches
Compound Lens Edge Thickness
0.281 inches
Equivalent Focal Length
2.603 inches
Back Focal Length
2.491 inches
Refraction Index
1.5170 and 1.6490
Abbe Constant
64.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
1.9405 inches and -1.1957 inches
Element Right Surface Radius
-1.1957 inches and -2.7240 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material
Glass optical
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
Sight periscope m25, integrated with fire control equipment

Pricing and Availability

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NSN 6650-00-346-8211 Datasheet

Supply Class (FSC):
Components And Accessories Test Equipment Optical Instruments
Cross Reference:
  • 8567555
Cage Codes:
  • Us Army Ardec Rdecom (CAGE 19200)
Schedule B & Trade:
  • Schedule B: 9018500000 (NAICS 339115)

    Other ophthalmic instruments and appliances and parts and accessories

  • SITC: 87225

    Ophthalmic instruments and appliances, n.E.S.

  • End Use: 21610

    Medicinal equipment

Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 6650-00-346-8211 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece, and Turkey
What is the NIIN of NSN 6650-00-346-8211?
003468211 or 00-346-8211
Does NSN 6650-00-346-8211 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6650-00-346-8211?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963