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Optical Instrument Lens

NSN: 6650-00-155-1757 | Model: 178697PC8
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
6650-00-155-1757
DEMIL
Yes - ITAR Controlled (Code Q)
Diameter
0.630 inches
Axial Thickness
0.216 inches and 0.082 inches
Compound Lensaxial Thickness
0.299 inches
Compound Lens Edge Thickness
0.279 inches
Equivalent Focal Length
3.586 inches
Back Focal Length
3.444 inches
Front Focal Length
3.539 inches
Refraction Index
1.5720 and 1.6170
Abbe Constant
57.400 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-1.031 inches and 2.574 inches
Element Right Surface Radius
-1.031 inches and -6.023 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Fire control, range finder mk 15 mod 4

Pricing and Availability

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NSN 6650-00-155-1757 Datasheet

Supply Class (FSC):
Components And Accessories Test Equipment Optical Instruments
Cross Reference:
  • 178697PC8
Cage Codes:
  • Navair and Navsea Managed (CAGE 10001)
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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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 6650-00-155-1757 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea
What is the NIIN of NSN 6650-00-155-1757?
001551757 or 00-155-1757
Does NSN 6650-00-155-1757 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6650-00-155-1757?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963