NSN 6650-00-768-8771

Optical Instrument Lens

FSC: 6650     NIIN: 007688771
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Product Characteristics

NSN:
6650007688771
Demilitarization:
DEMIL/MLI
INC:
21884
Shelf Life:
N/A
Diameter:
Between 1.097 inches and 1.100 inches
Axial Thickness:
Between 0.241 inches and 0.251 inches
Equivalent Focal Length:
-0.927 inches
Back Focal Length:
-0.961 inches
Refraction Index:
1.6890
Abbe Constant:
30.900
Single Lens Style:
Double concave
Element Left Surface Radius:
2.774 inches
Element Right Surface Radius:
0.860 inches
Special Features:
Left surface edge chamfer 0.010 to 0.020 in. By 45 deg. Right surface edge chamfer 0.050 to 0.060 in. By 45 deg. Both surfaces coated with magnesium fluoride. Rim and chamfers ground.
Material:
Glass, optical, mil-g-174, grade c, type 689-309
Material:
Glass, optical, mil-g-174, grade c, type 689-309
Fsc Application Data:
Periscope, tank

Part Numbers

  • 7688771
    US ARMY ARDEC RDECOM

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

9018500000 - Other ophthalmic instruments and appliances and parts and accessories.

Professional Distribution

  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   AS9120 Quality Standards
  •   100% Quality Inspections
ITAR registered supplier

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NSN: 6650-00-768-8771 lens,optical instrument
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Cage Codes
US ARMY ARDEC RDECOM - 19200