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Optical Instrument Lens

NSN: 6650-00-155-1749 | Model: 278698PC6
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
6650-00-155-1749
DEMIL
Yes - ITAR Controlled (Code Q)
Diameter
51.0 millimeters
End Application
Rangefinder mk51
Axial Thickness
9.4 millimeters and 5.3 millimeters
Compound Lensaxial Thickness
19.1 millimeters
Equivalent Focal Length
44.580 centimeters
Back Focal Length
48.720 centimeters
Front Focal Length
48.070 centimeters
Refraction Index
1.9170 and 1.9170
Abbe Constant
64.500 and 36.600
Compound Lens Style
Dialyte
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
241.4 millimeters and -155.5 millimeters
Element Right Surface Radius
159.9 millimeters and 906.3 millimeters
Material
Glass
Material
Glass

Pricing and Availability

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NSN 6650-00-155-1749 Datasheet

Supply Class (FSC):
Components And Accessories Test Equipment Optical Instruments
Cross Reference:
  • 278698PC6
  • 278698PC6
Cage Codes:
  • Navair and Navsea Managed (CAGE 10001)
  • Bausch and Lomb Inc (CAGE 64804)
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.

Freight Information:
  • NMFC:

    057940 - Lenses optical noi

  • WCC:

    653 - Musical instruments

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    E - Engineer supplies, other than those listed under code b.

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    S9g
  • AAC
    V
  • Quantity per pack
    * special requirements.
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9g-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $315.05 to $525.08..
Does NSN 6650-00-155-1749 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 6650-00-155-1749?
001551749 or 00-155-1749
Does NSN 6650-00-155-1749 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6650-00-155-1749?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963